135125375124 has 24 divisors (see below), whose sum is σ = 320461273888. Its totient is φ = 44303401440.

The previous prime is 135125375123. The next prime is 135125375171. The reversal of 135125375124 is 421573521531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135125375123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92298022 + ... + 92299485.

Almost surely, 2^135125375124 is an apocalyptic number.

It is an amenable number.

135125375124 is an abundant number, since it is smaller than the sum of its proper divisors (185335898764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135125375124 is a wasteful number, since it uses less digits than its factorization.

135125375124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184597575 (or 184597573 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

Adding to 135125375124 its reverse (421573521531), we get a palindrome (556698896655).

The spelling of 135125375124 in words is "one hundred thirty-five billion, one hundred twenty-five million, three hundred seventy-five thousand, one hundred twenty-four".