Patch 8484679 - Questions about Pre-Reqs

VPC Team member opened this thread for the customer.

Prerequisite Updates for 8484679

Read Me Section b says:
b) Pre requisite patches included with this patch:
     4132305, 4147636, 5453405, 5610823, 8359570

4132305, Oracle Support simple search couldn't find the patch.
4147636, 3480000 supersede
5453405, Oracle Support simple search couldn't find the patch.
5610823, Oracle Support simple search found the patch.
8359570, Oracle Support simple search found the patch.

Should I apply these patches before  8484679 patch?

If I will apply the pre-req 8484679 patch, how could I find these patches(4132305 and 5453405)?

Thanks,
Yilmaz.