113605889 has 4 divisors (see below), whose sum is σ = 113680320. Its totient is φ = 113531460.

The previous prime is 113605879. The next prime is 113605913. The reversal of 113605889 is 988506311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113605889 - 2⁸ = 113605633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113605819) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34877 + ... + 37994.

It is an arithmetic number, because the mean of its divisors is an integer number (28420080).

Almost surely, 2^113605889 is an apocalyptic number.

It is an amenable number.

113605889 is a deficient number, since it is larger than the sum of its proper divisors (74431).

113605889 is an equidigital number, since it uses as much as digits as its factorization.

113605889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74430.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 113605889 is about 10658.6063347888. The cubic root of 113605889 is about 484.3213507504.

The spelling of 113605889 in words is "one hundred thirteen million, six hundred five thousand, eight hundred eighty-nine".