132409961 has 2 divisors, whose sum is σ = 132409962. Its totient is φ = 132409960.

The previous prime is 132409931. The next prime is 132409967. The reversal of 132409961 is 169904231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130393561 + 2016400 = 11419^2 + 1420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132409961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132409967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66204980 + 66204981.

It is an arithmetic number, because the mean of its divisors is an integer number (66204981).

Almost surely, 2^132409961 is an apocalyptic number.

It is an amenable number.

132409961 is a deficient number, since it is larger than the sum of its proper divisors (1).

132409961 is an equidigital number, since it uses as much as digits as its factorization.

132409961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 132409961 is about 11506.9527243315. The cubic root of 132409961 is about 509.6909071585.

The spelling of 132409961 in words is "one hundred thirty-two million, four hundred nine thousand, nine hundred sixty-one".