133000169 has 2 divisors, whose sum is σ = 133000170. Its totient is φ = 133000168.

The previous prime is 133000157. The next prime is 133000193. The reversal of 133000169 is 961000331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101505625 + 31494544 = 10075^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 133000169 - 2⁸ = 132999913 is a prime.

It is a super-2 number, since 2×133000169² = 35378089908057122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133000139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500084 + 66500085.

It is an arithmetic number, because the mean of its divisors is an integer number (66500085).

Almost surely, 2^133000169 is an apocalyptic number.

It is an amenable number.

133000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000169 is an equidigital number, since it uses as much as digits as its factorization.

133000169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 133000169 is about 11532.5699217477. The cubic root of 133000169 is about 510.4470884044.

The spelling of 133000169 in words is "one hundred thirty-three million, one hundred sixty-nine", and thus it is an aban number.