132997558721 has 2 divisors, whose sum is σ = 132997558722. Its totient is φ = 132997558720.

The previous prime is 132997558697. The next prime is 132997558783. The reversal of 132997558721 is 127855799231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100682463025 + 32315095696 = 317305^2 + 179764^2 .

It is a cyclic number.

It is not a de Polignac number, because 132997558721 - 2⁶ = 132997558657 is a prime.

It is not a weakly prime, because it can be changed into another prime (132997558921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66498779360 + 66498779361.

It is an arithmetic number, because the mean of its divisors is an integer number (66498779361).

Almost surely, 2^132997558721 is an apocalyptic number.

It is an amenable number.

132997558721 is a deficient number, since it is larger than the sum of its proper divisors (1).

132997558721 is an equidigital number, since it uses as much as digits as its factorization.

132997558721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 59.

The spelling of 132997558721 in words is "one hundred thirty-two billion, nine hundred ninety-seven million, five hundred fifty-eight thousand, seven hundred twenty-one".