113493684420 has 144 divisors (see below), whose sum is σ = 347228481600. Its totient is φ = 30005164800.

The previous prime is 113493684407. The next prime is 113493684481. The reversal of 113493684420 is 24486394311.

113493684420 is a `hidden beast` number, since 1 + 134 + 93 + 6 + 8 + 4 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 15310515 + ... + 15317925.

It is an arithmetic number, because the mean of its divisors is an integer number (2411308900).

Almost surely, 2^113493684420 is an apocalyptic number.

113493684420 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 113493684420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173614240800).

113493684420 is an abundant number, since it is smaller than the sum of its proper divisors (233734797180).

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

113493684420 is a wasteful number, since it uses less digits than its factorization.

113493684420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146 (or 8141 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 113493684420 in words is "one hundred thirteen billion, four hundred ninety-three million, six hundred eighty-four thousand, four hundred twenty".