132561797227 has 2 divisors, whose sum is σ = 132561797228. Its totient is φ = 132561797226.

The previous prime is 132561797201. The next prime is 132561797261. The reversal of 132561797227 is 722797165231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132561797227 is a prime.

It is not a weakly prime, because it can be changed into another prime (132561797297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66280898613 + 66280898614.

It is an arithmetic number, because the mean of its divisors is an integer number (66280898614).

Almost surely, 2^132561797227 is an apocalyptic number.

132561797227 is a deficient number, since it is larger than the sum of its proper divisors (1).

132561797227 is an equidigital number, since it uses as much as digits as its factorization.

132561797227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 52.

The spelling of 132561797227 in words is "one hundred thirty-two billion, five hundred sixty-one million, seven hundred ninety-seven thousand, two hundred twenty-seven".