113949108728 has 128 divisors (see below), whose sum is σ = 277699968000. Its totient is φ = 42567275520.

The previous prime is 113949108701. The next prime is 113949108769. The reversal of 113949108728 is 827801949311.

It is a self number, because there is not a number n which added to its sum of digits gives 113949108728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4288508 + ... + 4314996.

It is an arithmetic number, because the mean of its divisors is an integer number (2169531000).

Almost surely, 2^113949108728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113949108728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138849984000).

113949108728 is an abundant number, since it is smaller than the sum of its proper divisors (163750859272).

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

113949108728 is a wasteful number, since it uses less digits than its factorization.

113949108728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845 (or 26841 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 113949108728 in words is "one hundred thirteen billion, nine hundred forty-nine million, one hundred eight thousand, seven hundred twenty-eight".