113351520 has 96 divisors (see below), whose sum is σ = 360557568. Its totient is φ = 29931008.

The previous prime is 113351519. The next prime is 113351527. The reversal of 113351520 is 25153311.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113351527) 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, 50257 + ... + 52463.

It is an arithmetic number, because the mean of its divisors is an integer number (3755808).

Almost surely, 2^113351520 is an apocalyptic number.

113351520 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 113351520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180278784).

113351520 is an abundant number, since it is smaller than the sum of its proper divisors (247206048).

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

113351520 is a wasteful number, since it uses less digits than its factorization.

113351520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 113351520 is about 10646.6670841160. The cubic root of 113351520 is about 483.9596077668.

The spelling of 113351520 in words is "one hundred thirteen million, three hundred fifty-one thousand, five hundred twenty".