113931485 has 8 divisors (see below), whose sum is σ = 137213016. Its totient is φ = 90815040.

The previous prime is 113931451. The next prime is 113931491. The reversal of 113931485 is 584139311.

It can be written as a sum of positive squares in 4 ways, for example, as 1104601 + 112826884 = 1051^2 + 10622^2 .

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

It is not a de Polignac number, because 113931485 - 2¹⁰ = 113930461 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 39746 + ... + 42515.

It is an arithmetic number, because the mean of its divisors is an integer number (17151627).

Almost surely, 2^113931485 is an apocalyptic number.

It is an amenable number.

113931485 is a deficient number, since it is larger than the sum of its proper divisors (23281531).

113931485 is an equidigital number, since it uses as much as digits as its factorization.

113931485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82543.

The product of its digits is 12960, while the sum is 35.

The square root of 113931485 is about 10673.8692609569. The cubic root of 113931485 is about 484.7835999206.

The spelling of 113931485 in words is "one hundred thirteen million, nine hundred thirty-one thousand, four hundred eighty-five".