132409328 has 40 divisors (see below), whose sum is σ = 285941520. Its totient is φ = 59028480.

The previous prime is 132409313. The next prime is 132409351. The reversal of 132409328 is 823904231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 132409294 and 132409303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7643 + ... + 17978.

It is an arithmetic number, because the mean of its divisors is an integer number (7148538).

Almost surely, 2^132409328 is an apocalyptic number.

It is an amenable number.

132409328 is an abundant number, since it is smaller than the sum of its proper divisors (153532192).

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

132409328 is a wasteful number, since it uses less digits than its factorization.

132409328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25665 (or 25659 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 132409328 is about 11506.9252191887. The cubic root of 132409328 is about 509.6900949466.

The spelling of 132409328 in words is "one hundred thirty-two million, four hundred nine thousand, three hundred twenty-eight".