113949131 has 8 divisors (see below), whose sum is σ = 115704624. Its totient is φ = 112199040.

The previous prime is 113949083. The next prime is 113949133. The reversal of 113949131 is 131949311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113949131 is a prime.

It is a super-2 number, since 2×113949131² = 25968808911310322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113949133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65351 + ... + 67071.

It is an arithmetic number, because the mean of its divisors is an integer number (14463078).

Almost surely, 2^113949131 is an apocalyptic number.

113949131 is a deficient number, since it is larger than the sum of its proper divisors (1755493).

113949131 is an equidigital number, since it uses as much as digits as its factorization.

113949131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701.

The product of its digits is 2916, while the sum is 32.

The square root of 113949131 is about 10674.6958270482. The cubic root of 113949131 is about 484.8086268035.

The spelling of 113949131 in words is "one hundred thirteen million, nine hundred forty-nine thousand, one hundred thirty-one".