113557890 has 32 divisors (see below), whose sum is σ = 277162560. Its totient is φ = 29768384.

The previous prime is 113557849. The next prime is 113557901. The reversal of 113557890 is 98755311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30309 + ... + 33848.

It is an arithmetic number, because the mean of its divisors is an integer number (8661330).

Almost surely, 2^113557890 is an apocalyptic number.

113557890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113557890 is an abundant number, since it is smaller than the sum of its proper divisors (163604670).

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

113557890 is a wasteful number, since it uses less digits than its factorization.

113557890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64226.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 113557890 is about 10656.3544423034. The cubic root of 113557890 is about 484.2531318242.

The spelling of 113557890 in words is "one hundred thirteen million, five hundred fifty-seven thousand, eight hundred ninety".