113307289 has 4 divisors (see below), whose sum is σ = 113533056. Its totient is φ = 113081524.

The previous prime is 113307167. The next prime is 113307301. The reversal of 113307289 is 982703311.

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 113307289 - 2²⁵ = 79752857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113307989) 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, 112129 + ... + 113134.

It is an arithmetic number, because the mean of its divisors is an integer number (28383264).

Almost surely, 2^113307289 is an apocalyptic number.

It is an amenable number.

113307289 is a deficient number, since it is larger than the sum of its proper divisors (225767).

113307289 is an equidigital number, since it uses as much as digits as its factorization.

113307289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225766.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 113307289 is about 10644.5896586012. The cubic root of 113307289 is about 483.8966508040.

The spelling of 113307289 in words is "one hundred thirteen million, three hundred seven thousand, two hundred eighty-nine".