133033211309 has 2 divisors, whose sum is σ = 133033211310. Its totient is φ = 133033211308.

The previous prime is 133033211291. The next prime is 133033211351. The reversal of 133033211309 is 903112330331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130070586409 + 2962624900 = 360653^2 + 54430^2 .

It is a cyclic number.

It is not a de Polignac number, because 133033211309 - 2⁸ = 133033211053 is a prime.

It is a super-2 number, since 2×133033211309² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133033211369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66516605654 + 66516605655.

It is an arithmetic number, because the mean of its divisors is an integer number (66516605655).

Almost surely, 2^133033211309 is an apocalyptic number.

It is an amenable number.

133033211309 is a deficient number, since it is larger than the sum of its proper divisors (1).

133033211309 is an equidigital number, since it uses as much as digits as its factorization.

133033211309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 133033211309 in words is "one hundred thirty-three billion, thirty-three million, two hundred eleven thousand, three hundred nine".