132440388 has 12 divisors (see below), whose sum is σ = 309027600. Its totient is φ = 44146792.

The previous prime is 132440383. The next prime is 132440389. The reversal of 132440388 is 883044231.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (132440383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5518338 + ... + 5518361.

It is an arithmetic number, because the mean of its divisors is an integer number (25752300).

Almost surely, 2^132440388 is an apocalyptic number.

It is an amenable number.

132440388 is an abundant number, since it is smaller than the sum of its proper divisors (176587212).

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

132440388 is a wasteful number, since it uses less digits than its factorization.

132440388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036706 (or 11036704 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 132440388 is about 11508.2747621005. The cubic root of 132440388 is about 509.7299454538.

The spelling of 132440388 in words is "one hundred thirty-two million, four hundred forty thousand, three hundred eighty-eight".