132809280 has 112 divisors (see below), whose sum is σ = 433181760. Its totient is φ = 34449408.

The previous prime is 132809279. The next prime is 132809329. The reversal of 132809280 is 82908231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33651 + ... + 37389.

Almost surely, 2^132809280 is an apocalyptic number.

132809280 is a gapful number since it is divisible by the number (10) 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 132809280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216590880).

132809280 is an abundant number, since it is smaller than the sum of its proper divisors (300372480).

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

132809280 is a wasteful number, since it uses less digits than its factorization.

132809280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 132809280 is about 11524.2908675545. The cubic root of 132809280 is about 510.2027644344.

The spelling of 132809280 in words is "one hundred thirty-two million, eight hundred nine thousand, two hundred eighty".