133065697 has 2 divisors, whose sum is σ = 133065698. Its totient is φ = 133065696.

The previous prime is 133065679. The next prime is 133065701. The reversal of 133065697 is 796560331.

Together with previous prime (133065679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82428241 + 50637456 = 9079^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 133065697 - 2¹⁵ = 133032929 is a prime.

It is not a weakly prime, because it can be changed into another prime (133065617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66532848 + 66532849.

It is an arithmetic number, because the mean of its divisors is an integer number (66532849).

Almost surely, 2^133065697 is an apocalyptic number.

It is an amenable number.

133065697 is a deficient number, since it is larger than the sum of its proper divisors (1).

133065697 is an equidigital number, since it uses as much as digits as its factorization.

133065697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 133065697 is about 11535.4105691995. The cubic root of 133065697 is about 510.5309055536.

The spelling of 133065697 in words is "one hundred thirty-three million, sixty-five thousand, six hundred ninety-seven".