133000313309 has 2 divisors, whose sum is σ = 133000313310. Its totient is φ = 133000313308.

The previous prime is 133000313267. The next prime is 133000313333. The reversal of 133000313309 is 903313000331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107948388025 + 25051925284 = 328555^2 + 158278^2 .

It is a cyclic number.

It is not a de Polignac number, because 133000313309 - 2⁸ = 133000313053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133000313339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500156654 + 66500156655.

It is an arithmetic number, because the mean of its divisors is an integer number (66500156655).

Almost surely, 2^133000313309 is an apocalyptic number.

It is an amenable number.

133000313309 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000313309 is an equidigital number, since it uses as much as digits as its factorization.

133000313309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 26.

The spelling of 133000313309 in words is "one hundred thirty-three billion, three hundred thirteen thousand, three hundred nine".