113642857 has 16 divisors (see below), whose sum is σ = 123721920. Its totient is φ = 104025600.

The previous prime is 113642831. The next prime is 113642891. The reversal of 113642857 is 758246311.

It is a cyclic number.

It is not a de Polignac number, because 113642857 - 2⁷ = 113642729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113642357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87382 + ... + 88672.

It is an arithmetic number, because the mean of its divisors is an integer number (7732620).

Almost surely, 2^113642857 is an apocalyptic number.

It is an amenable number.

113642857 is a deficient number, since it is larger than the sum of its proper divisors (10079063).

113642857 is a wasteful number, since it uses less digits than its factorization.

113642857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its digits is 40320, while the sum is 37.

The square root of 113642857 is about 10660.3403791811. The cubic root of 113642857 is about 484.3738786904.

The spelling of 113642857 in words is "one hundred thirteen million, six hundred forty-two thousand, eight hundred fifty-seven".