132561217 has 8 divisors (see below), whose sum is σ = 136483424. Its totient is φ = 128677248.

The previous prime is 132561193. The next prime is 132561227. The reversal of 132561217 is 712165231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132561217 - 2⁷ = 132561089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132561227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448 + ... + 16465.

It is an arithmetic number, because the mean of its divisors is an integer number (17060428).

Almost surely, 2^132561217 is an apocalyptic number.

It is an amenable number.

132561217 is a deficient number, since it is larger than the sum of its proper divisors (3922207).

132561217 is a wasteful number, since it uses less digits than its factorization.

132561217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19119.

The product of its digits is 2520, while the sum is 28.

The square root of 132561217 is about 11513.5232227151. The cubic root of 132561217 is about 509.8849118752.

The spelling of 132561217 in words is "one hundred thirty-two million, five hundred sixty-one thousand, two hundred seventeen".