133464543646331 has 2 divisors, whose sum is σ = 133464543646332. Its totient is φ = 133464543646330.

The previous prime is 133464543646321. The next prime is 133464543646373. The reversal of 133464543646331 is 133646345464331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133464543646331 - 2³⁸ = 133189665739387 is a prime.

It is a super-2 number, since 2×133464543646331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133464543646321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66732271823165 + 66732271823166.

It is an arithmetic number, because the mean of its divisors is an integer number (66732271823166).

Almost surely, 2^{133464543646331} is an apocalyptic number.

133464543646331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133464543646331 is an equidigital number, since it uses as much as digits as its factorization.

133464543646331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 56.

The spelling of 133464543646331 in words is "one hundred thirty-three trillion, four hundred sixty-four billion, five hundred forty-three million, six hundred forty-six thousand, three hundred thirty-one".