113809500 has 144 divisors (see below), whose sum is σ = 410434752. Its totient is φ = 26006400.

The previous prime is 113809439. The next prime is 113809523. The reversal of 113809500 is 5908311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29694 + ... + 33306.

Almost surely, 2^113809500 is an apocalyptic number.

113809500 is a gapful number since it is divisible by the number (10) 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 113809500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205217376).

113809500 is an abundant number, since it is smaller than the sum of its proper divisors (296625252).

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

113809500 is a wasteful number, since it uses less digits than its factorization.

113809500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 113809500 is about 10668.1535422021. The cubic root of 113809500 is about 484.6105209117.

The spelling of 113809500 in words is "one hundred thirteen million, eight hundred nine thousand, five hundred".