113553900 has 108 divisors (see below), whose sum is σ = 369189912. Its totient is φ = 30274560.

The previous prime is 113553883. The next prime is 113553901. The reversal of 113553900 is 9355311.

It is a tau number, because it is divible by the number of its divisors (108).

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

It is not an unprimeable number, because it can be changed into a prime (113553901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21964 + ... + 26636.

Almost surely, 2^113553900 is an apocalyptic number.

113553900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113553900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184594956).

113553900 is an abundant number, since it is smaller than the sum of its proper divisors (255636012).

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

113553900 is a wasteful number, since it uses less digits than its factorization.

113553900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 113553900 is about 10656.1672284175. The cubic root of 113553900 is about 484.2474601425.

The spelling of 113553900 in words is "one hundred thirteen million, five hundred fifty-three thousand, nine hundred".