132381551784 has 128 divisors (see below), whose sum is σ = 349656393600. Its totient is φ = 41702169600.

The previous prime is 132381551779. The next prime is 132381551831. The reversal of 132381551784 is 487155183231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16337334 + ... + 16345434.

It is an arithmetic number, because the mean of its divisors is an integer number (2731690575).

Almost surely, 2^132381551784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132381551784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174828196800).

132381551784 is an abundant number, since it is smaller than the sum of its proper divisors (217274841816).

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

132381551784 is a wasteful number, since it uses less digits than its factorization.

132381551784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635 (or 8631 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The spelling of 132381551784 in words is "one hundred thirty-two billion, three hundred eighty-one million, five hundred fifty-one thousand, seven hundred eighty-four".