133334171 has 2 divisors, whose sum is σ = 133334172. Its totient is φ = 133334170.

The previous prime is 133334161. The next prime is 133334177. The reversal of 133334171 is 171433331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133334171 - 2⁶ = 133334107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133334171.

It is not a weakly prime, because it can be changed into another prime (133334177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66667085 + 66667086.

It is an arithmetic number, because the mean of its divisors is an integer number (66667086).

Almost surely, 2^133334171 is an apocalyptic number.

133334171 is a deficient number, since it is larger than the sum of its proper divisors (1).

133334171 is an equidigital number, since it uses as much as digits as its factorization.

133334171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 133334171 is about 11547.0416557662. The cubic root of 133334171 is about 510.8740247799.

The spelling of 133334171 in words is "one hundred thirty-three million, three hundred thirty-four thousand, one hundred seventy-one".