113479985 has 4 divisors (see below), whose sum is σ = 136175988. Its totient is φ = 90783984.

The previous prime is 113479963. The next prime is 113479991. The reversal of 113479985 is 589974311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84621601 + 28858384 = 9199^2 + 5372^2 .

It is a cyclic number.

It is not a de Polignac number, because 113479985 - 2⁶ = 113479921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11347994 + ... + 11348003.

It is an arithmetic number, because the mean of its divisors is an integer number (34043997).

Almost surely, 2^113479985 is an apocalyptic number.

It is an amenable number.

113479985 is a deficient number, since it is larger than the sum of its proper divisors (22696003).

113479985 is an equidigital number, since it uses as much as digits as its factorization.

113479985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22696002.

The product of its digits is 272160, while the sum is 47.

The square root of 113479985 is about 10652.6984844217. The cubic root of 113479985 is about 484.1423678470.

The spelling of 113479985 in words is "one hundred thirteen million, four hundred seventy-nine thousand, nine hundred eighty-five".