113886018 has 24 divisors (see below), whose sum is σ = 257482368. Its totient is φ = 36311352.

The previous prime is 113886011. The next prime is 113886049. The reversal of 113886018 is 810688311.

113886018 is a `hidden beast` number, since 11 + 38 + 8 + 601 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (113886011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137130 + ... + 137957.

It is an arithmetic number, because the mean of its divisors is an integer number (10728432).

Almost surely, 2^113886018 is an apocalyptic number.

113886018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113886018 is an abundant number, since it is smaller than the sum of its proper divisors (143596350).

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

113886018 is a wasteful number, since it uses less digits than its factorization.

113886018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275118 (or 275115 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 113886018 is about 10671.7392209518. The cubic root of 113886018 is about 484.7191032959.

The spelling of 113886018 in words is "one hundred thirteen million, eight hundred eighty-six thousand, eighteen".