113449920 has 112 divisors (see below), whose sum is σ = 366491520. Its totient is φ = 29725696.

The previous prime is 113449913. The next prime is 113449933. The reversal of 113449920 is 29944311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55639 + ... + 57641.

Almost surely, 2^113449920 is an apocalyptic number.

113449920 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 113449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183245760).

113449920 is an abundant number, since it is smaller than the sum of its proper divisors (253041600).

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

113449920 is a wasteful number, since it uses less digits than its factorization.

113449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 113449920 is about 10651.2872461501. The cubic root of 113449920 is about 484.0996083950.

The spelling of 113449920 in words is "one hundred thirteen million, four hundred forty-nine thousand, nine hundred twenty".