113033688 has 64 divisors (see below), whose sum is σ = 294067200. Its totient is φ = 36167040.

The previous prime is 113033653. The next prime is 113033689. The reversal of 113033688 is 886330311.

It is a happy number.

It is a super-2 number, since 2×113033688² = 25553229245762688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113033689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102870 + ... + 103962.

It is an arithmetic number, because the mean of its divisors is an integer number (4594800).

Almost surely, 2^113033688 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 113033688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147033600).

113033688 is an abundant number, since it is smaller than the sum of its proper divisors (181033512).

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

113033688 is a wasteful number, since it uses less digits than its factorization.

113033688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 113033688 is about 10631.7302448849. The cubic root of 113033688 is about 483.5068514789.

Adding to 113033688 its reverse (886330311), we get a palindrome (999363999).

The spelling of 113033688 in words is "one hundred thirteen million, thirty-three thousand, six hundred eighty-eight".