132885909 has 12 divisors (see below), whose sum is σ = 206711596. Its totient is φ = 81775872.

The previous prime is 132885887. The next prime is 132885919. The reversal of 132885909 is 909588231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33385284 + 99500625 = 5778^2 + 9975^2 .

It is not a de Polignac number, because 132885909 - 2⁸ = 132885653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132885919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567772 + ... + 568005.

Almost surely, 2^132885909 is an apocalyptic number.

It is an amenable number.

132885909 is a deficient number, since it is larger than the sum of its proper divisors (73825687).

132885909 is a wasteful number, since it uses less digits than its factorization.

132885909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135796 (or 1135793 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 132885909 is about 11527.6150612345. The cubic root of 132885909 is about 510.3008720634.

The spelling of 132885909 in words is "one hundred thirty-two million, eight hundred eighty-five thousand, nine hundred nine".