113090920 has 32 divisors (see below), whose sum is σ = 254893320. Its totient is φ = 45158400.

The previous prime is 113090917. The next prime is 113090933. The reversal of 113090920 is 29090311.

It can be written as a sum of positive squares in 4 ways, for example, as 52157284 + 60933636 = 7222^2 + 7806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24820 + ... + 29020.

Almost surely, 2^113090920 is an apocalyptic number.

113090920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113090920 is an abundant number, since it is smaller than the sum of its proper divisors (141802400).

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

113090920 is a wasteful number, since it uses less digits than its factorization.

113090920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885 (or 4881 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 113090920 is about 10634.4214699249. The cubic root of 113090920 is about 483.5884418896.

The spelling of 113090920 in words is "one hundred thirteen million, ninety thousand, nine hundred twenty".