132170309 has 2 divisors, whose sum is σ = 132170310. Its totient is φ = 132170308.

The previous prime is 132170237. The next prime is 132170333. The reversal of 132170309 is 903071231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80013025 + 52157284 = 8945^2 + 7222^2 .

It is a cyclic number.

It is not a de Polignac number, because 132170309 - 2²⁰ = 131121733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132170009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66085154 + 66085155.

It is an arithmetic number, because the mean of its divisors is an integer number (66085155).

Almost surely, 2^132170309 is an apocalyptic number.

It is an amenable number.

132170309 is a deficient number, since it is larger than the sum of its proper divisors (1).

132170309 is an equidigital number, since it uses as much as digits as its factorization.

132170309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 132170309 is about 11496.5346517983. The cubic root of 132170309 is about 509.3832208090.

The spelling of 132170309 in words is "one hundred thirty-two million, one hundred seventy thousand, three hundred nine".