132561844 has 6 divisors (see below), whose sum is σ = 231983234. Its totient is φ = 66280920.

The previous prime is 132561839. The next prime is 132561853. The reversal of 132561844 is 448165231.

It can be written as a sum of positive squares in only one way, i.e., 67436944 + 65124900 = 8212^2 + 8070^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16570227 + ... + 16570234.

Almost surely, 2^132561844 is an apocalyptic number.

It is an amenable number.

132561844 is a deficient number, since it is larger than the sum of its proper divisors (99421390).

132561844 is a wasteful number, since it uses less digits than its factorization.

132561844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33140465 (or 33140463 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 132561844 is about 11513.5504515332. The cubic root of 132561844 is about 509.8857157739.

The spelling of 132561844 in words is "one hundred thirty-two million, five hundred sixty-one thousand, eight hundred forty-four".