113890900 has 36 divisors (see below), whose sum is σ = 255122560. Its totient is φ = 44085600.

The previous prime is 113890853. The next prime is 113890913. The reversal of 113890900 is 9098311.

It is a super-2 number, since 2×113890900² = 25942274205620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 15270 + ... + 21469.

Almost surely, 2^113890900 is an apocalyptic number.

113890900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113890900 is an abundant number, since it is smaller than the sum of its proper divisors (141231660).

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

113890900 is a wasteful number, since it uses less digits than its factorization.

113890900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36784 (or 36777 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 113890900 is about 10671.9679534751. The cubic root of 113890900 is about 484.7260294164.

The spelling of 113890900 in words is "one hundred thirteen million, eight hundred ninety thousand, nine hundred".