113680818 has 12 divisors (see below), whose sum is σ = 246308478. Its totient is φ = 37893600.

The previous prime is 113680793. The next prime is 113680829. The reversal of 113680818 is 818086311.

It can be written as a sum of positive squares in only one way, i.e., 99141849 + 14538969 = 9957^2 + 3813^2 .

It is a super-2 number, since 2×113680818² = 25846656762298248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3157783 + ... + 3157818.

Almost surely, 2^113680818 is an apocalyptic number.

113680818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113680818 is an abundant number, since it is smaller than the sum of its proper divisors (132627660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113680818 is a wasteful number, since it uses less digits than its factorization.

113680818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315609 (or 6315606 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 113680818 is about 10662.1207083769. The cubic root of 113680818 is about 484.4278057338.

The spelling of 113680818 in words is "one hundred thirteen million, six hundred eighty thousand, eight hundred eighteen".