PHP Integer Problem

Question

When I print this number in php 137582392964679 I get this as the output 1.37582392965E+14

All I am doing is a simple

Answer 1

The manual clearly says:

If PHP encounters a number beyond the bounds of the integer type, it will be interpreted as a float instead.

Also your number cannot be represented accurately because of inherent floating point limitations, hence it is being approximated.