113489569 has 4 divisors (see below), whose sum is σ = 120165444. Its totient is φ = 106813696.

The previous prime is 113489561. The next prime is 113489581. The reversal of 113489569 is 965984311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 965984311 = 1163 ⋅830597.

It can be written as a sum of positive squares in 2 ways, for example, as 98743969 + 14745600 = 9937^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 113489569 - 2³ = 113489561 is a prime.

It is a super-2 number, since 2×113489569² = 25759764543611522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113489561) 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, 3337912 + ... + 3337945.

It is an arithmetic number, because the mean of its divisors is an integer number (30041361).

Almost surely, 2^113489569 is an apocalyptic number.

It is an amenable number.

113489569 is a deficient number, since it is larger than the sum of its proper divisors (6675875).

113489569 is an equidigital number, since it uses as much as digits as its factorization.

113489569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675874.

The product of its digits is 233280, while the sum is 46.

The square root of 113489569 is about 10653.1483139962. The cubic root of 113489569 is about 484.1559969460.

The spelling of 113489569 in words is "one hundred thirteen million, four hundred eighty-nine thousand, five hundred sixty-nine".