113518530 has 32 divisors (see below), whose sum is σ = 302716800. Its totient is φ = 30271536.

The previous prime is 113518507. The next prime is 113518543. The reversal of 113518530 is 35815311.

113518530 is a `hidden beast` number, since 113 + 5 + 18 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113518494 and 113518503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209950 + ... + 210489.

It is an arithmetic number, because the mean of its divisors is an integer number (9459900).

Almost surely, 2^113518530 is an apocalyptic number.

113518530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113518530 is an abundant number, since it is smaller than the sum of its proper divisors (189198270).

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

113518530 is a wasteful number, since it uses less digits than its factorization.

113518530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420455 (or 420449 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 113518530 is about 10654.5074968297. The cubic root of 113518530 is about 484.1971767930.

It can be divided in two parts, 11351 and 8530, that added together give a square (19881 = 141²).

The spelling of 113518530 in words is "one hundred thirteen million, five hundred eighteen thousand, five hundred thirty".