115338537 has 24 divisors (see below), whose sum is σ = 174804864. Its totient is φ = 73142784.

The previous prime is 115338533. The next prime is 115338563. The reversal of 115338537 is 735833511.

It is a happy number.

115338537 is a `hidden beast` number, since 11 + 533 + 85 + 37 = 666.

It is not a de Polignac number, because 115338537 - 2² = 115338533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115338533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38508 + ... + 41394.

It is an arithmetic number, because the mean of its divisors is an integer number (7283536).

Almost surely, 2^115338537 is an apocalyptic number.

It is an amenable number.

115338537 is a deficient number, since it is larger than the sum of its proper divisors (59466327).

115338537 is a wasteful number, since it uses less digits than its factorization.

115338537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3106 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 115338537 is about 10739.5780643375. The cubic root of 115338537 is about 486.7711301262.

The spelling of 115338537 in words is "one hundred fifteen million, three hundred thirty-eight thousand, five hundred thirty-seven".