133354457 has 2 divisors, whose sum is σ = 133354458. Its totient is φ = 133354456.

The previous prime is 133354453. The next prime is 133354489. The reversal of 133354457 is 754453331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102839881 + 30514576 = 10141^2 + 5524^2 .

It is a cyclic number.

It is not a de Polignac number, because 133354457 - 2² = 133354453 is a prime.

It is a super-2 number, since 2×133354457² = 35566822403529698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133354453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66677228 + 66677229.

It is an arithmetic number, because the mean of its divisors is an integer number (66677229).

Almost surely, 2^133354457 is an apocalyptic number.

It is an amenable number.

133354457 is a deficient number, since it is larger than the sum of its proper divisors (1).

133354457 is an equidigital number, since it uses as much as digits as its factorization.

133354457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 133354457 is about 11547.9200291654. The cubic root of 133354457 is about 510.8999322795.

The spelling of 133354457 in words is "one hundred thirty-three million, three hundred fifty-four thousand, four hundred fifty-seven".