115139752 has 64 divisors (see below), whose sum is σ = 268329600. Its totient is φ = 45100800.

The previous prime is 115139749. The next prime is 115139807. The reversal of 115139752 is 257931511.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78627 + ... + 80077.

It is an arithmetic number, because the mean of its divisors is an integer number (4192650).

Almost surely, 2^115139752 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 115139752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134164800).

115139752 is an abundant number, since it is smaller than the sum of its proper divisors (153189848).

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

115139752 is a wasteful number, since it uses less digits than its factorization.

115139752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1582 counting only the distinct ones).

The product of its digits is 9450, while the sum is 34.

The square root of 115139752 is about 10730.3192869551. The cubic root of 115139752 is about 486.4913206631.

The spelling of 115139752 in words is "one hundred fifteen million, one hundred thirty-nine thousand, seven hundred fifty-two".