133136369 has 2 divisors, whose sum is σ = 133136370. Its totient is φ = 133136368.

The previous prime is 133136357. The next prime is 133136387. The reversal of 133136369 is 963631331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77440000 + 55696369 = 8800^2 + 7463^2 .

It is a cyclic number.

It is not a de Polignac number, because 133136369 - 2²⁰ = 132087793 is a prime.

It is a super-2 number, since 2×133136369² = 35450585501008322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133136309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66568184 + 66568185.

It is an arithmetic number, because the mean of its divisors is an integer number (66568185).

Almost surely, 2^133136369 is an apocalyptic number.

It is an amenable number.

133136369 is a deficient number, since it is larger than the sum of its proper divisors (1).

133136369 is an equidigital number, since it uses as much as digits as its factorization.

133136369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 35.

The square root of 133136369 is about 11538.4734258913. The cubic root of 133136369 is about 510.6212715792.

The spelling of 133136369 in words is "one hundred thirty-three million, one hundred thirty-six thousand, three hundred sixty-nine".