113812740 has 144 divisors (see below), whose sum is σ = 370476288. Its totient is φ = 28207872.

The previous prime is 113812729. The next prime is 113812753. The reversal of 113812740 is 47218311.

113812740 is a `hidden beast` number, since 11 + 381 + 274 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152809 + ... + 153551.

It is an arithmetic number, because the mean of its divisors is an integer number (2572752).

Almost surely, 2^113812740 is an apocalyptic number.

113812740 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 113812740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185238144).

113812740 is an abundant number, since it is smaller than the sum of its proper divisors (256663548).

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

113812740 is a wasteful number, since it uses less digits than its factorization.

113812740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 113812740 is about 10668.3053949538. The cubic root of 113812740 is about 484.6151195998.

The spelling of 113812740 in words is "one hundred thirteen million, eight hundred twelve thousand, seven hundred forty".