133323019857913 has 2 divisors, whose sum is σ = 133323019857914. Its totient is φ = 133323019857912.

The previous prime is 133323019857871. The next prime is 133323019857931. The reversal of 133323019857913 is 319758910323331.

Together with next prime (133323019857931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90932854800384 + 42390165057529 = 9535872^2 + 6510773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133323019857913 is a prime.

It is a super-3 number, since 3×133323019857913³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (133323019057913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66661509928956 + 66661509928957.

It is an arithmetic number, because the mean of its divisors is an integer number (66661509928957).

Almost surely, 2^{133323019857913} is an apocalyptic number.

It is an amenable number.

133323019857913 is a deficient number, since it is larger than the sum of its proper divisors (1).

133323019857913 is an equidigital number, since it uses as much as digits as its factorization.

133323019857913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 133323019857913 in words is "one hundred thirty-three trillion, three hundred twenty-three billion, nineteen million, eight hundred fifty-seven thousand, nine hundred thirteen".