132944921 has 2 divisors, whose sum is σ = 132944922. Its totient is φ = 132944920.

The previous prime is 132944891. The next prime is 132944939. The reversal of 132944921 is 129449231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95257600 + 37687321 = 9760^2 + 6139^2 .

It is a cyclic number.

It is not a de Polignac number, because 132944921 - 2⁶ = 132944857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132944971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66472460 + 66472461.

It is an arithmetic number, because the mean of its divisors is an integer number (66472461).

Almost surely, 2^132944921 is an apocalyptic number.

It is an amenable number.

132944921 is a deficient number, since it is larger than the sum of its proper divisors (1).

132944921 is an equidigital number, since it uses as much as digits as its factorization.

132944921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 132944921 is about 11530.1743698870. The cubic root of 132944921 is about 510.3763990542.

The spelling of 132944921 in words is "one hundred thirty-two million, nine hundred forty-four thousand, nine hundred twenty-one".