115132388 has 96 divisors (see below), whose sum is σ = 254607360. Its totient is φ = 44478720.

The previous prime is 115132351. The next prime is 115132397. The reversal of 115132388 is 883231511.

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, 1457333 + ... + 1457411.

It is an arithmetic number, because the mean of its divisors is an integer number (2652160).

Almost surely, 2^115132388 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 115132388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127303680).

115132388 is an abundant number, since it is smaller than the sum of its proper divisors (139474972).

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

115132388 is a wasteful number, since it uses less digits than its factorization.

115132388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 115132388 is about 10729.9761416324. The cubic root of 115132388 is about 486.4809489238.

Adding to 115132388 its reverse (883231511), we get a palindrome (998363899).

The spelling of 115132388 in words is "one hundred fifteen million, one hundred thirty-two thousand, three hundred eighty-eight".