132722720857 has 2 divisors, whose sum is σ = 132722720858. Its totient is φ = 132722720856.

The previous prime is 132722720833. The next prime is 132722720861. The reversal of 132722720857 is 758027227231.

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., 127437576256 + 5285144601 = 356984^2 + 72699^2 .

It is a cyclic number.

It is not a de Polignac number, because 132722720857 - 2⁷ = 132722720729 is a prime.

It is not a weakly prime, because it can be changed into another prime (132722720057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66361360428 + 66361360429.

It is an arithmetic number, because the mean of its divisors is an integer number (66361360429).

Almost surely, 2^132722720857 is an apocalyptic number.

It is an amenable number.

132722720857 is a deficient number, since it is larger than the sum of its proper divisors (1).

132722720857 is an equidigital number, since it uses as much as digits as its factorization.

132722720857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 132722720857 in words is "one hundred thirty-two billion, seven hundred twenty-two million, seven hundred twenty thousand, eight hundred fifty-seven".