113915857 has 8 divisors (see below), whose sum is σ = 128557440. Its totient is φ = 99988560.

The previous prime is 113915839. The next prime is 113915863. The reversal of 113915857 is 758519311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113915857 - 2¹⁵ = 113883089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113915807) 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, 178233 + ... + 178870.

It is an arithmetic number, because the mean of its divisors is an integer number (16069680).

Almost surely, 2^113915857 is an apocalyptic number.

It is an amenable number.

113915857 is a deficient number, since it is larger than the sum of its proper divisors (14641583).

113915857 is a wasteful number, since it uses less digits than its factorization.

113915857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357143.

The product of its digits is 37800, while the sum is 40.

The square root of 113915857 is about 10673.1371676747. The cubic root of 113915857 is about 484.7614329590.

The spelling of 113915857 in words is "one hundred thirteen million, nine hundred fifteen thousand, eight hundred fifty-seven".