113857089 has 4 divisors (see below), whose sum is σ = 151809456. Its totient is φ = 75904724.

The previous prime is 113857057. The next prime is 113857097. The reversal of 113857089 is 980758311.

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 113857089 - 2⁵ = 113857057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113857089.

It is not an unprimeable number, because it can be changed into a prime (113857019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18976179 + ... + 18976184.

It is an arithmetic number, because the mean of its divisors is an integer number (37952364).

Almost surely, 2^113857089 is an apocalyptic number.

It is an amenable number.

113857089 is a deficient number, since it is larger than the sum of its proper divisors (37952367).

113857089 is an equidigital number, since it uses as much as digits as its factorization.

113857089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37952366.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 113857089 is about 10670.3837325562. The cubic root of 113857089 is about 484.6780575010.

The spelling of 113857089 in words is "one hundred thirteen million, eight hundred fifty-seven thousand, eighty-nine".