113995520 has 144 divisors (see below), whose sum is σ = 293600160. Its totient is φ = 42319872.

The previous prime is 113995507. The next prime is 113995543. The reversal of 113995520 is 25599311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373399 + ... + 1373481.

It is an arithmetic number, because the mean of its divisors is an integer number (2038890).

Almost surely, 2^113995520 is an apocalyptic number.

113995520 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 113995520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146800080).

113995520 is an abundant number, since it is smaller than the sum of its proper divisors (179604640).

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

113995520 is an equidigital number, since it uses as much as digits as its factorization.

113995520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 113995520 is about 10676.8684547483. The cubic root of 113995520 is about 484.8744068464.

The spelling of 113995520 in words is "one hundred thirteen million, nine hundred ninety-five thousand, five hundred twenty".