113209980 has 96 divisors (see below), whose sum is σ = 359385600. Its totient is φ = 26396928.

The previous prime is 113209951. The next prime is 113210003. The reversal of 113209980 is 89902311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11001 + ... + 18639.

It is an arithmetic number, because the mean of its divisors is an integer number (3743600).

Almost surely, 2^113209980 is an apocalyptic number.

113209980 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 113209980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179692800).

113209980 is an abundant number, since it is smaller than the sum of its proper divisors (246175620).

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

113209980 is a wasteful number, since it uses less digits than its factorization.

113209980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683 (or 7681 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 113209980 is about 10640.0178571279. The cubic root of 113209980 is about 483.7580866518.

The spelling of 113209980 in words is "one hundred thirteen million, two hundred nine thousand, nine hundred eighty".