132439308 has 12 divisors (see below), whose sum is σ = 309025080. Its totient is φ = 44146432.

The previous prime is 132439303. The next prime is 132439319. The reversal of 132439308 is 803934231.

It is a happy number.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (132439303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5518293 + ... + 5518316.

It is an arithmetic number, because the mean of its divisors is an integer number (25752090).

Almost surely, 2^132439308 is an apocalyptic number.

It is an amenable number.

132439308 is an abundant number, since it is smaller than the sum of its proper divisors (176585772).

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

132439308 is a wasteful number, since it uses less digits than its factorization.

132439308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036616 (or 11036614 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 132439308 is about 11508.2278392461. The cubic root of 132439308 is about 509.7285599001.

The spelling of 132439308 in words is "one hundred thirty-two million, four hundred thirty-nine thousand, three hundred eight".