113989512 has 256 divisors, whose sum is σ = 383846400. Its totient is φ = 27371520.

The previous prime is 113989507. The next prime is 113989537. The reversal of 113989512 is 215989311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1701303 + ... + 1701369.

It is an arithmetic number, because the mean of its divisors is an integer number (1499400).

Almost surely, 2^113989512 is an apocalyptic number.

113989512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113989512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191923200).

113989512 is an abundant number, since it is smaller than the sum of its proper divisors (269856888).

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

113989512 is a wasteful number, since it uses less digits than its factorization.

113989512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 152 counting only the distinct ones).

The product of its digits is 19440, while the sum is 39.

The square root of 113989512 is about 10676.5870951348. The cubic root of 113989512 is about 484.8658884514.

It can be divided in two parts, 11398 and 9512, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 113989512 in words is "one hundred thirteen million, nine hundred eighty-nine thousand, five hundred twelve".