133085149 has 2 divisors, whose sum is σ = 133085150. Its totient is φ = 133085148.

The previous prime is 133085131. The next prime is 133085191. The reversal of 133085149 is 941580331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76685049 + 56400100 = 8757^2 + 7510^2 .

It is a cyclic number.

It is not a de Polignac number, because 133085149 - 2⁷ = 133085021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133085749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66542574 + 66542575.

It is an arithmetic number, because the mean of its divisors is an integer number (66542575).

Almost surely, 2^133085149 is an apocalyptic number.

It is an amenable number.

133085149 is a deficient number, since it is larger than the sum of its proper divisors (1).

133085149 is an equidigital number, since it uses as much as digits as its factorization.

133085149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 133085149 is about 11536.2536813300. The cubic root of 133085149 is about 510.5557813945. Note that the first 3 decimals are identical.

The spelling of 133085149 in words is "one hundred thirty-three million, eighty-five thousand, one hundred forty-nine".