113089728 has 56 divisors (see below), whose sum is σ = 301093632. Its totient is φ = 37460224.

The previous prime is 113089721. The next prime is 113089759. The reversal of 113089728 is 827980311.

It is a super-2 number, since 2×113089728² = 25578573158227968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113089721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30301 + ... + 33827.

It is an arithmetic number, because the mean of its divisors is an integer number (5376672).

Almost surely, 2^113089728 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 113089728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150546816).

113089728 is an abundant number, since it is smaller than the sum of its proper divisors (188003904).

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

113089728 is a wasteful number, since it uses less digits than its factorization.

113089728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 113089728 is about 10634.3654253557. The cubic root of 113089728 is about 483.5867428453.

The spelling of 113089728 in words is "one hundred thirteen million, eighty-nine thousand, seven hundred twenty-eight".