113257389 has 8 divisors (see below), whose sum is σ = 172582720. Its totient is φ = 64718496.

The previous prime is 113257387. The next prime is 113257393. The reversal of 113257389 is 983752311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113257389 - 2¹ = 113257387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113257387) 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 7 ways as a sum of consecutive naturals, for example, 2696584 + ... + 2696625.

It is an arithmetic number, because the mean of its divisors is an integer number (21572840).

Almost surely, 2^113257389 is an apocalyptic number.

It is an amenable number.

113257389 is a deficient number, since it is larger than the sum of its proper divisors (59325331).

113257389 is an equidigital number, since it uses as much as digits as its factorization.

113257389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393219.

The product of its digits is 45360, while the sum is 39.

The square root of 113257389 is about 10642.2454867382. The cubic root of 113257389 is about 483.8256050998.

The spelling of 113257389 in words is "one hundred thirteen million, two hundred fifty-seven thousand, three hundred eighty-nine".