113129956 has 6 divisors (see below), whose sum is σ = 197977430. Its totient is φ = 56564976.

The previous prime is 113129941. The next prime is 113129959. The reversal of 113129956 is 659921311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 17089956 = 9800^2 + 4134^2 .

It is not an unprimeable number, because it can be changed into a prime (113129959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141241 + ... + 14141248.

Almost surely, 2^113129956 is an apocalyptic number.

It is an amenable number.

113129956 is a deficient number, since it is larger than the sum of its proper divisors (84847474).

113129956 is a wasteful number, since it uses less digits than its factorization.

113129956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282493 (or 28282491 counting only the distinct ones).

The product of its digits is 14580, while the sum is 37.

The square root of 113129956 is about 10636.2566723448. The cubic root of 113129956 is about 483.6440761434.

The spelling of 113129956 in words is "one hundred thirteen million, one hundred twenty-nine thousand, nine hundred fifty-six".