115139936 has 24 divisors (see below), whose sum is σ = 226953720. Its totient is φ = 57500928.

The previous prime is 115139911. The next prime is 115139953. The reversal of 115139936 is 639931511.

It is a self number, because there is not a number n which added to its sum of digits gives 115139936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34535 + ... + 37721.

It is an arithmetic number, because the mean of its divisors is an integer number (9456405).

Almost surely, 2^115139936 is an apocalyptic number.

115139936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115139936 is a deficient number, since it is larger than the sum of its proper divisors (111813784).

115139936 is a wasteful number, since it uses less digits than its factorization.

115139936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4318 counting only the distinct ones).

The product of its digits is 21870, while the sum is 38.

The square root of 115139936 is about 10730.3278607879. The cubic root of 115139936 is about 486.4915798101.

The spelling of 115139936 in words is "one hundred fifteen million, one hundred thirty-nine thousand, nine hundred thirty-six".