132791280 has 80 divisors (see below), whose sum is σ = 415580544. Its totient is φ = 35073280.

The previous prime is 132791279. The next prime is 132791291. The reversal of 132791280 is 82197231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23095 + ... + 28265.

Almost surely, 2^132791280 is an apocalyptic number.

132791280 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 132791280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207790272).

132791280 is an abundant number, since it is smaller than the sum of its proper divisors (282789264).

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

132791280 is a wasteful number, since it uses less digits than its factorization.

132791280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 132791280 is about 11523.5098819761. The cubic root of 132791280 is about 510.1797136739.

The spelling of 132791280 in words is "one hundred thirty-two million, seven hundred ninety-one thousand, two hundred eighty".