115320132 has 48 divisors (see below), whose sum is σ = 303459520. Its totient is φ = 37863936.

The previous prime is 115320131. The next prime is 115320143. The reversal of 115320132 is 231023511.

115320132 is a `hidden beast` number, since 1 + 1 + 532 + 0 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115320131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 15204.

Almost surely, 2^115320132 is an apocalyptic number.

115320132 is a gapful number since it is divisible by the number (12) 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 115320132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151729760).

115320132 is an abundant number, since it is smaller than the sum of its proper divisors (188139388).

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

115320132 is a wasteful number, since it uses less digits than its factorization.

115320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16017 (or 16009 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115320132 is about 10738.7211529120. The cubic root of 115320132 is about 486.7452367881.

Adding to 115320132 its reverse (231023511), we get a palindrome (346343643).

The spelling of 115320132 in words is "one hundred fifteen million, three hundred twenty thousand, one hundred thirty-two".