133354489 has 2 divisors, whose sum is σ = 133354490. Its totient is φ = 133354488.

The previous prime is 133354457. The next prime is 133354513. The reversal of 133354489 is 984453331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128142400 + 5212089 = 11320^2 + 2283^2 .

It is an emirp because it is prime and its reverse (984453331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133354489 - 2⁵ = 133354457 is a prime.

It is a super-2 number, since 2×133354489² = 35566839472902242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133354289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66677244 + 66677245.

It is an arithmetic number, because the mean of its divisors is an integer number (66677245).

Almost surely, 2^133354489 is an apocalyptic number.

It is an amenable number.

133354489 is a deficient number, since it is larger than the sum of its proper divisors (1).

133354489 is an equidigital number, since it uses as much as digits as its factorization.

133354489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 133354489 is about 11547.9214146962. The cubic root of 133354489 is about 510.8999731450.

The spelling of 133354489 in words is "one hundred thirty-three million, three hundred fifty-four thousand, four hundred eighty-nine".