113891395144 has 32 divisors (see below), whose sum is σ = 230374118520. Its totient is φ = 52584702976.

The previous prime is 113891395141. The next prime is 113891395151. The reversal of 113891395144 is 441593198311.

It can be written as a sum of positive squares in 4 ways, for example, as 112787162244 + 1104232900 = 335838^2 + 33230^2 .

It is not an unprimeable number, because it can be changed into a prime (113891395141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7893139 + ... + 7907554.

Almost surely, 2^113891395144 is an apocalyptic number.

It is an amenable number.

113891395144 is an abundant number, since it is smaller than the sum of its proper divisors (116482723376).

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

113891395144 is a wasteful number, since it uses less digits than its factorization.

113891395144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800769 (or 15800765 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The spelling of 113891395144 in words is "one hundred thirteen billion, eight hundred ninety-one million, three hundred ninety-five thousand, one hundred forty-four".