113444569 has 4 divisors (see below), whose sum is σ = 129650944. Its totient is φ = 97238196.

The previous prime is 113444561. The next prime is 113444599. The reversal of 113444569 is 965444311.

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 113444569 - 2³ = 113444561 is a prime.

It is a super-2 number, since 2×113444569² = 25739340471191522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113444561) 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, 8103177 + ... + 8103190.

It is an arithmetic number, because the mean of its divisors is an integer number (32412736).

Almost surely, 2^113444569 is an apocalyptic number.

It is an amenable number.

113444569 is a deficient number, since it is larger than the sum of its proper divisors (16206375).

113444569 is an equidigital number, since it uses as much as digits as its factorization.

113444569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206374.

The product of its digits is 51840, while the sum is 37.

The square root of 113444569 is about 10651.0360528918. The cubic root of 113444569 is about 484.0919972313.

The spelling of 113444569 in words is "one hundred thirteen million, four hundred forty-four thousand, five hundred sixty-nine".