113987736 has 80 divisors (see below), whose sum is σ = 325393200. Its totient is φ = 37267776.

The previous prime is 113987723. The next prime is 113987767. The reversal of 113987736 is 637789311.

It is a junction number, because it is equal to n+sod(n) for n = 113987691 and 113987700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32685 + ... + 36003.

It is an arithmetic number, because the mean of its divisors is an integer number (4067415).

Almost surely, 2^113987736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113987736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162696600).

113987736 is an abundant number, since it is smaller than the sum of its proper divisors (211405464).

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

113987736 is a wasteful number, since it uses less digits than its factorization.

113987736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3377 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 113987736 is about 10676.5039221648. The cubic root of 113987736 is about 484.8633703066.

The spelling of 113987736 in words is "one hundred thirteen million, nine hundred eighty-seven thousand, seven hundred thirty-six".