113312040 has 64 divisors (see below), whose sum is σ = 343094400. Its totient is φ = 29935872.

The previous prime is 113312027. The next prime is 113312047. The reversal of 113312040 is 40213311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (113312047) 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, 8749 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (5360850).

Almost surely, 2^113312040 is an apocalyptic number.

113312040 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 113312040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171547200).

113312040 is an abundant number, since it is smaller than the sum of its proper divisors (229782360).

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

113312040 is a wasteful number, since it uses less digits than its factorization.

113312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113312040 is about 10644.8128212759. The cubic root of 113312040 is about 483.9034140078.

Adding to 113312040 its reverse (40213311), we get a palindrome (153525351).

The spelling of 113312040 in words is "one hundred thirteen million, three hundred twelve thousand, forty".