113853618 has 12 divisors (see below), whose sum is σ = 246682878. Its totient is φ = 37951200.

The previous prime is 113853617. The next prime is 113853659. The reversal of 113853618 is 816358311.

113853618 is a `hidden beast` number, since 1 + 1 + 38 + 5 + 3 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67026969 + 46826649 = 8187^2 + 6843^2 .

It is not an unprimeable number, because it can be changed into a prime (113853617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3162583 + ... + 3162618.

Almost surely, 2^113853618 is an apocalyptic number.

113853618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113853618 is an abundant number, since it is smaller than the sum of its proper divisors (132829260).

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

113853618 is a wasteful number, since it uses less digits than its factorization.

113853618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325209 (or 6325206 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 113853618 is about 10670.2210848698. The cubic root of 113853618 is about 484.6731322195.

It can be divided in two parts, 1138 and 53618, that added together give a square (54756 = 234²).

The spelling of 113853618 in words is "one hundred thirteen million, eight hundred fifty-three thousand, six hundred eighteen".