113513444 has 24 divisors (see below), whose sum is σ = 223700736. Its totient is φ = 49932000.

The previous prime is 113513419. The next prime is 113513459. The reversal of 113513444 is 444315311.

It is a happy number.

It is a super-2 number, since 2×113513444² = 25770603937482272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40247 + ... + 42974.

It is an arithmetic number, because the mean of its divisors is an integer number (9320864).

Almost surely, 2^113513444 is an apocalyptic number.

It is an amenable number.

113513444 is a deficient number, since it is larger than the sum of its proper divisors (110187292).

113513444 is a wasteful number, since it uses less digits than its factorization.

113513444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83267 (or 83265 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 113513444 is about 10654.2688158315. The cubic root of 113513444 is about 484.1899454813.

Adding to 113513444 its reverse (444315311), we get a palindrome (557828755).

The spelling of 113513444 in words is "one hundred thirteen million, five hundred thirteen thousand, four hundred forty-four".