132968828621 has 2 divisors, whose sum is σ = 132968828622. Its totient is φ = 132968828620.

The previous prime is 132968828599. The next prime is 132968828633. The reversal of 132968828621 is 126828869231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96081400900 + 36887427721 = 309970^2 + 192061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132968828621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132968828021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66484414310 + 66484414311.

It is an arithmetic number, because the mean of its divisors is an integer number (66484414311).

Almost surely, 2^132968828621 is an apocalyptic number.

It is an amenable number.

132968828621 is a deficient number, since it is larger than the sum of its proper divisors (1).

132968828621 is an equidigital number, since it uses as much as digits as its factorization.

132968828621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 56.

The spelling of 132968828621 in words is "one hundred thirty-two billion, nine hundred sixty-eight million, eight hundred twenty-eight thousand, six hundred twenty-one".