133388267 has 2 divisors, whose sum is σ = 133388268. Its totient is φ = 133388266.

The previous prime is 133388249. The next prime is 133388287. The reversal of 133388267 is 762883331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133388267 - 2⁸ = 133388011 is a prime.

It is not a weakly prime, because it can be changed into another prime (133388207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66694133 + 66694134.

It is an arithmetic number, because the mean of its divisors is an integer number (66694134).

Almost surely, 2^133388267 is an apocalyptic number.

133388267 is a deficient number, since it is larger than the sum of its proper divisors (1).

133388267 is an equidigital number, since it uses as much as digits as its factorization.

133388267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 133388267 is about 11549.3838363785. The cubic root of 133388267 is about 510.9431056074.

The spelling of 133388267 in words is "one hundred thirty-three million, three hundred eighty-eight thousand, two hundred sixty-seven".