132161928 has 64 divisors (see below), whose sum is σ = 350353920. Its totient is φ = 41472000.

The previous prime is 132161923. The next prime is 132161941. The reversal of 132161928 is 829161231.

It is not an unprimeable number, because it can be changed into a prime (132161921) 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, 25128 + ... + 29928.

It is an arithmetic number, because the mean of its divisors is an integer number (5474280).

Almost surely, 2^132161928 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 132161928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175176960).

132161928 is an abundant number, since it is smaller than the sum of its proper divisors (218191992).

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

132161928 is a wasteful number, since it uses less digits than its factorization.

132161928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878 (or 4874 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 132161928 is about 11496.1701448787. The cubic root of 132161928 is about 509.3724538144.

The spelling of 132161928 in words is "one hundred thirty-two million, one hundred sixty-one thousand, nine hundred twenty-eight".