132139680 has 96 divisors (see below), whose sum is σ = 438177600. Its totient is φ = 33380352.

The previous prime is 132139673. The next prime is 132139681. The reversal of 132139680 is 86931231.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (132139681) by changing a digit.

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, 1876 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (4564350).

Almost surely, 2^132139680 is an apocalyptic number.

132139680 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 132139680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219088800).

132139680 is an abundant number, since it is smaller than the sum of its proper divisors (306037920).

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

132139680 is a wasteful number, since it uses less digits than its factorization.

132139680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526 (or 14518 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 132139680 is about 11495.2024775556. The cubic root of 132139680 is about 509.3438698027.

The spelling of 132139680 in words is "one hundred thirty-two million, one hundred thirty-nine thousand, six hundred eighty".