115125136 has 40 divisors (see below), whose sum is σ = 255928064. Its totient is φ = 49144320.

The previous prime is 115125133. The next prime is 115125211. The reversal of 115125136 is 631521511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115125136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115125133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28456 + ... + 32248.

Almost surely, 2^115125136 is an apocalyptic number.

115125136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115125136 is an abundant number, since it is smaller than the sum of its proper divisors (140802928).

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

115125136 is a wasteful number, since it uses less digits than its factorization.

115125136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079 (or 4073 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 115125136 is about 10729.6382045249. The cubic root of 115125136 is about 486.4707344974.

Adding to 115125136 its reverse (631521511), we get a palindrome (746646647).

The spelling of 115125136 in words is "one hundred fifteen million, one hundred twenty-five thousand, one hundred thirty-six".