132131309 has 2 divisors, whose sum is σ = 132131310. Its totient is φ = 132131308.

The previous prime is 132131299. The next prime is 132131323. The reversal of 132131309 is 903131231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117115684 + 15015625 = 10822^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 132131309 - 2²⁴ = 115354093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132131369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66065654 + 66065655.

It is an arithmetic number, because the mean of its divisors is an integer number (66065655).

Almost surely, 2^132131309 is an apocalyptic number.

It is an amenable number.

132131309 is a deficient number, since it is larger than the sum of its proper divisors (1).

132131309 is an equidigital number, since it uses as much as digits as its factorization.

132131309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 132131309 is about 11494.8383633699. The cubic root of 132131309 is about 509.3331139934. Note that the first 3 decimals are identical.

The spelling of 132131309 in words is "one hundred thirty-two million, one hundred thirty-one thousand, three hundred nine".