113680819 has 32 divisors (see below), whose sum is σ = 146257920. Its totient is φ = 86012928.

The previous prime is 113680793. The next prime is 113680829. The reversal of 113680819 is 918086311.

It is a de Polignac number, because none of the positive numbers 2^k-113680819 is a prime.

It is a super-2 number, since 2×113680819² = 25846657217021522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113680829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309574 + ... + 309940.

It is an arithmetic number, because the mean of its divisors is an integer number (4570560).

Almost surely, 2^113680819 is an apocalyptic number.

113680819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113680819 is a deficient number, since it is larger than the sum of its proper divisors (32577101).

113680819 is a wasteful number, since it uses less digits than its factorization.

113680819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 113680819 is about 10662.1207552719. The cubic root of 113680819 is about 484.4278071542.

The spelling of 113680819 in words is "one hundred thirteen million, six hundred eighty thousand, eight hundred nineteen".