133531351643009 has 2 divisors, whose sum is σ = 133531351643010. Its totient is φ = 133531351643008.

The previous prime is 133531351642963. The next prime is 133531351643059. The reversal of 133531351643009 is 900346153135331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100024561507984 + 33506790135025 = 10001228^2 + 5788505^2 .

It is a cyclic number.

It is not a de Polignac number, because 133531351643009 - 2⁸ = 133531351642753 is a prime.

It is not a weakly prime, because it can be changed into another prime (133531351643059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66765675821504 + 66765675821505.

It is an arithmetic number, because the mean of its divisors is an integer number (66765675821505).

Almost surely, 2^{133531351643009} is an apocalyptic number.

It is an amenable number.

133531351643009 is a deficient number, since it is larger than the sum of its proper divisors (1).

133531351643009 is an equidigital number, since it uses as much as digits as its factorization.

133531351643009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 47.

The spelling of 133531351643009 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, three hundred fifty-one million, six hundred forty-three thousand, nine".