133457267 has 2 divisors, whose sum is σ = 133457268. Its totient is φ = 133457266.

The previous prime is 133457231. The next prime is 133457281. The reversal of 133457267 is 762754331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133457267 - 2⁸ = 133457011 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133457267.

It is not a weakly prime, because it can be changed into another prime (133457227) 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, 66728633 + 66728634.

It is an arithmetic number, because the mean of its divisors is an integer number (66728634).

Almost surely, 2^133457267 is an apocalyptic number.

133457267 is a deficient number, since it is larger than the sum of its proper divisors (1).

133457267 is an equidigital number, since it uses as much as digits as its factorization.

133457267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 133457267 is about 11552.3706225173. The cubic root of 133457267 is about 511.0311918082.

The spelling of 133457267 in words is "one hundred thirty-three million, four hundred fifty-seven thousand, two hundred sixty-seven".