132409808 has 10 divisors (see below), whose sum is σ = 256544034. Its totient is φ = 66204896.

The previous prime is 132409801. The next prime is 132409811. The reversal of 132409808 is 808904231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78357904 + 54051904 = 8852^2 + 7352^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132409801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137791 + ... + 4137822.

Almost surely, 2^132409808 is an apocalyptic number.

It is an amenable number.

132409808 is a deficient number, since it is larger than the sum of its proper divisors (124134226).

132409808 is an equidigital number, since it uses as much as digits as its factorization.

132409808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275621 (or 8275615 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 132409808 is about 11506.9460761750. The cubic root of 132409808 is about 509.6907108421.

The spelling of 132409808 in words is "one hundred thirty-two million, four hundred nine thousand, eight hundred eight".