113420900 has 36 divisors (see below), whose sum is σ = 246585780. Its totient is φ = 45283200.

The previous prime is 113420887. The next prime is 113420921. The reversal of 113420900 is 9024311.

It can be written as a sum of positive squares in 6 ways, for example, as 678976 + 112741924 = 824^2 + 10618^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105566 + ... + 106634.

It is an arithmetic number, because the mean of its divisors is an integer number (6849605).

Almost surely, 2^113420900 is an apocalyptic number.

113420900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113420900 is an abundant number, since it is smaller than the sum of its proper divisors (133164880).

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

113420900 is a wasteful number, since it uses less digits than its factorization.

113420900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 113420900 is about 10649.9248823642. The cubic root of 113420900 is about 484.0583280113.

The spelling of 113420900 in words is "one hundred thirteen million, four hundred twenty thousand, nine hundred".