113129697 has 4 divisors (see below), whose sum is σ = 150839600. Its totient is φ = 75419796.

The previous prime is 113129693. The next prime is 113129699. The reversal of 113129697 is 796921311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113129697 - 2² = 113129693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113129693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18854947 + ... + 18854952.

It is an arithmetic number, because the mean of its divisors is an integer number (37709900).

Almost surely, 2^113129697 is an apocalyptic number.

It is an amenable number.

113129697 is a deficient number, since it is larger than the sum of its proper divisors (37709903).

113129697 is an equidigital number, since it uses as much as digits as its factorization.

113129697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37709902.

The product of its digits is 20412, while the sum is 39.

The square root of 113129697 is about 10636.2444970017. The cubic root of 113129697 is about 483.6437070578.

The spelling of 113129697 in words is "one hundred thirteen million, one hundred twenty-nine thousand, six hundred ninety-seven".