133296791 has 2 divisors, whose sum is σ = 133296792. Its totient is φ = 133296790.

The previous prime is 133296733. The next prime is 133296803. The reversal of 133296791 is 197692331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133296791 - 2⁶ = 133296727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133296491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66648395 + 66648396.

It is an arithmetic number, because the mean of its divisors is an integer number (66648396).

Almost surely, 2^133296791 is an apocalyptic number.

133296791 is a deficient number, since it is larger than the sum of its proper divisors (1).

133296791 is an equidigital number, since it uses as much as digits as its factorization.

133296791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 133296791 is about 11545.4229459124. The cubic root of 133296791 is about 510.8262794402.

The spelling of 133296791 in words is "one hundred thirty-three million, two hundred ninety-six thousand, seven hundred ninety-one".