133464543601457 has 2 divisors, whose sum is σ = 133464543601458. Its totient is φ = 133464543601456.

The previous prime is 133464543601453. The next prime is 133464543601567. The reversal of 133464543601457 is 754106345464331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70076051868736 + 63388491732721 = 8371144^2 + 7961689^2 .

It is a cyclic number.

It is not a de Polignac number, because 133464543601457 - 2² = 133464543601453 is a prime.

It is not a weakly prime, because it can be changed into another prime (133464543601453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66732271800728 + 66732271800729.

It is an arithmetic number, because the mean of its divisors is an integer number (66732271800729).

Almost surely, 2^{133464543601457} is an apocalyptic number.

It is an amenable number.

133464543601457 is a deficient number, since it is larger than the sum of its proper divisors (1).

133464543601457 is an equidigital number, since it uses as much as digits as its factorization.

133464543601457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 56.

The spelling of 133464543601457 in words is "one hundred thirty-three trillion, four hundred sixty-four billion, five hundred forty-three million, six hundred one thousand, four hundred fifty-seven".