133330697 has 2 divisors, whose sum is σ = 133330698. Its totient is φ = 133330696.

The previous prime is 133330679. The next prime is 133330699. The reversal of 133330697 is 796033331.

It is a happy number.

Together with previous prime (133330679) 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., 122235136 + 11095561 = 11056^2 + 3331^2 .

It is an emirp because it is prime and its reverse (796033331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133330697 - 2¹⁰ = 133329673 is a prime.

Together with 133330699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133330699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66665348 + 66665349.

It is an arithmetic number, because the mean of its divisors is an integer number (66665349).

Almost surely, 2^133330697 is an apocalyptic number.

It is an amenable number.

133330697 is a deficient number, since it is larger than the sum of its proper divisors (1).

133330697 is an equidigital number, since it uses as much as digits as its factorization.

133330697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 35.

The square root of 133330697 is about 11546.8912266462. The cubic root of 133330697 is about 510.8695878283.

The spelling of 133330697 in words is "one hundred thirty-three million, three hundred thirty thousand, six hundred ninety-seven".