132638727280 has 40 divisors (see below), whose sum is σ = 308445436800. Its totient is φ = 53045100288.

The previous prime is 132638727259. The next prime is 132638727317. The reversal of 132638727280 is 82727836231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255361 + ... + 574879.

It is an arithmetic number, because the mean of its divisors is an integer number (7711135920).

Almost surely, 2^132638727280 is an apocalyptic number.

132638727280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132638727280 is an abundant number, since it is smaller than the sum of its proper divisors (175806709520).

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

132638727280 is a wasteful number, since it uses less digits than its factorization.

132638727280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324721 (or 324715 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 132638727280 in words is "one hundred thirty-two billion, six hundred thirty-eight million, seven hundred twenty-seven thousand, two hundred eighty".