133000297 has 2 divisors, whose sum is σ = 133000298. Its totient is φ = 133000296.

The previous prime is 133000291. The next prime is 133000319. The reversal of 133000297 is 792000331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89189136 + 43811161 = 9444^2 + 6619^2 .

It is a cyclic number.

It is not a de Polignac number, because 133000297 - 2⁷ = 133000169 is a prime.

133000297 is a modest number, since divided by 297 gives 133 as remainder.

It is not a weakly prime, because it can be changed into another prime (133000291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500148 + 66500149.

It is an arithmetic number, because the mean of its divisors is an integer number (66500149).

Almost surely, 2^133000297 is an apocalyptic number.

It is an amenable number.

133000297 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000297 is an equidigital number, since it uses as much as digits as its factorization.

133000297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 133000297 is about 11532.5754712467. The cubic root of 133000297 is about 510.4472521566.

The spelling of 133000297 in words is "one hundred thirty-three million, two hundred ninety-seven", and thus it is an aban number.