113725890 has 32 divisors (see below), whose sum is σ = 303269760. Its totient is φ = 30326832.

The previous prime is 113725879. The next prime is 113725939. The reversal of 113725890 is 98527311.

113725890 is a `hidden beast` number, since 1 + 1 + 3 + 72 + 589 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210334 + ... + 210873.

It is an arithmetic number, because the mean of its divisors is an integer number (9477180).

Almost surely, 2^113725890 is an apocalyptic number.

113725890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113725890 is an abundant number, since it is smaller than the sum of its proper divisors (189543870).

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

113725890 is a wasteful number, since it uses less digits than its factorization.

113725890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421223 (or 421217 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 113725890 is about 10664.2341497175. The cubic root of 113725890 is about 484.4918190109.

The spelling of 113725890 in words is "one hundred thirteen million, seven hundred twenty-five thousand, eight hundred ninety".