133496009 has 2 divisors, whose sum is σ = 133496010. Its totient is φ = 133496008.

The previous prime is 133496003. The next prime is 133496023. The reversal of 133496009 is 900694331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 56670784 = 8765^2 + 7528^2 .

It is a cyclic number.

It is not a de Polignac number, because 133496009 - 2⁸ = 133495753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133496009.

It is not a weakly prime, because it can be changed into another prime (133496003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66748004 + 66748005.

It is an arithmetic number, because the mean of its divisors is an integer number (66748005).

Almost surely, 2^133496009 is an apocalyptic number.

It is an amenable number.

133496009 is a deficient number, since it is larger than the sum of its proper divisors (1).

133496009 is an equidigital number, since it uses as much as digits as its factorization.

133496009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 133496009 is about 11554.0472995397. The cubic root of 133496009 is about 511.0806369862.

The spelling of 133496009 in words is "one hundred thirty-three million, four hundred ninety-six thousand, nine".