133464979756931 has 2 divisors, whose sum is σ = 133464979756932. Its totient is φ = 133464979756930.

The previous prime is 133464979756921. The next prime is 133464979756949. The reversal of 133464979756931 is 139657979464331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133464979756931 - 2³⁰ = 133463906015107 is a prime.

It is a super-2 number, since 2×133464979756931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133464979756921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66732489878465 + 66732489878466.

It is an arithmetic number, because the mean of its divisors is an integer number (66732489878466).

Almost surely, 2^{133464979756931} is an apocalyptic number.

133464979756931 is a deficient number, since it is larger than the sum of its proper divisors (1).

133464979756931 is an equidigital number, since it uses as much as digits as its factorization.

133464979756931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2777664960, while the sum is 77.

The spelling of 133464979756931 in words is "one hundred thirty-three trillion, four hundred sixty-four billion, nine hundred seventy-nine million, seven hundred fifty-six thousand, nine hundred thirty-one".