113634820 has 48 divisors (see below), whose sum is σ = 270527040. Its totient is φ = 39747456.

The previous prime is 113634769. The next prime is 113634827. The reversal of 113634820 is 28436311.

It is not an unprimeable number, because it can be changed into a prime (113634827) 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, 6562 + ... + 16441.

It is an arithmetic number, because the mean of its divisors is an integer number (5635980).

Almost surely, 2^113634820 is an apocalyptic number.

113634820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113634820 is an abundant number, since it is smaller than the sum of its proper divisors (156892220).

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

113634820 is a wasteful number, since it uses less digits than its factorization.

113634820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23044 (or 23042 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 113634820 is about 10659.9634145714. The cubic root of 113634820 is about 484.3624598627.

The spelling of 113634820 in words is "one hundred thirteen million, six hundred thirty-four thousand, eight hundred twenty".