113986945 has 16 divisors (see below), whose sum is σ = 139806720. Its totient is φ = 89195904.

The previous prime is 113986843. The next prime is 113986949. The reversal of 113986945 is 549689311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113986945 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113986895 and 113986904.

It is not an unprimeable number, because it can be changed into a prime (113986949) 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 15 ways as a sum of consecutive naturals, for example, 45126 + ... + 47584.

It is an arithmetic number, because the mean of its divisors is an integer number (8737920).

Almost surely, 2^113986945 is an apocalyptic number.

It is an amenable number.

113986945 is a deficient number, since it is larger than the sum of its proper divisors (25819775).

113986945 is a wasteful number, since it uses less digits than its factorization.

113986945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

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

The square root of 113986945 is about 10676.4668781390. The cubic root of 113986945 is about 484.8622487596.

The spelling of 113986945 in words is "one hundred thirteen million, nine hundred eighty-six thousand, nine hundred forty-five".