132975217 has 4 divisors (see below), whose sum is σ = 132998656. Its totient is φ = 132951780.

The previous prime is 132975169. The next prime is 132975229. The reversal of 132975217 is 712579231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132975217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132975257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728 + ... + 16534.

It is an arithmetic number, because the mean of its divisors is an integer number (33249664).

Almost surely, 2^132975217 is an apocalyptic number.

It is an amenable number.

132975217 is a deficient number, since it is larger than the sum of its proper divisors (23439).

132975217 is an equidigital number, since it uses as much as digits as its factorization.

132975217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438.

The product of its digits is 26460, while the sum is 37.

The square root of 132975217 is about 11531.4880652932. The cubic root of 132975217 is about 510.4151649554.

The spelling of 132975217 in words is "one hundred thirty-two million, nine hundred seventy-five thousand, two hundred seventeen".