113971816 has 16 divisors (see below), whose sum is σ = 244225440. Its totient is φ = 48845040.

The previous prime is 113971813. The next prime is 113971829. The reversal of 113971816 is 618179311.

It is not an unprimeable number, because it can be changed into a prime (113971811) 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, 1017550 + ... + 1017661.

It is an arithmetic number, because the mean of its divisors is an integer number (15264090).

Almost surely, 2^113971816 is an apocalyptic number.

It is an amenable number.

113971816 is an abundant number, since it is smaller than the sum of its proper divisors (130253624).

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

113971816 is a wasteful number, since it uses less digits than its factorization.

113971816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035224 (or 2035220 counting only the distinct ones).

The product of its digits is 9072, while the sum is 37.

The square root of 113971816 is about 10675.7583337204. The cubic root of 113971816 is about 484.8407965792.

The spelling of 113971816 in words is "one hundred thirteen million, nine hundred seventy-one thousand, eight hundred sixteen".