113557090 has 16 divisors (see below), whose sum is σ = 206213688. Its totient is φ = 45020416.

The previous prime is 113557079. The next prime is 113557097. The reversal of 113557090 is 90755311.

It can be written as a sum of positive squares in 4 ways, for example, as 96059601 + 17497489 = 9801^2 + 4183^2 .

It is not an unprimeable number, because it can be changed into a prime (113557097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49117 + ... + 51376.

Almost surely, 2^113557090 is an apocalyptic number.

113557090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113557090 is a deficient number, since it is larger than the sum of its proper divisors (92656598).

113557090 is a wasteful number, since it uses less digits than its factorization.

113557090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100613.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 113557090 is about 10656.3169059483. The cubic root of 113557090 is about 484.2519946556.

The spelling of 113557090 in words is "one hundred thirteen million, five hundred fifty-seven thousand, ninety".