113890899 has 4 divisors (see below), whose sum is σ = 151854536. Its totient is φ = 75927264.

The previous prime is 113890853. The next prime is 113890913. The reversal of 113890899 is 998098311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113890899 - 2⁷ = 113890771 is a prime.

It is a super-2 number, since 2×113890899² = 25942273750056402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113890849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18981814 + ... + 18981819.

It is an arithmetic number, because the mean of its divisors is an integer number (37963634).

Almost surely, 2^113890899 is an apocalyptic number.

113890899 is a deficient number, since it is larger than the sum of its proper divisors (37963637).

113890899 is an equidigital number, since it uses as much as digits as its factorization.

113890899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37963636.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 113890899 is about 10671.9679066234. The cubic root of 113890899 is about 484.7260279977.

The spelling of 113890899 in words is "one hundred thirteen million, eight hundred ninety thousand, eight hundred ninety-nine".