133056893 has 2 divisors, whose sum is σ = 133056894. Its totient is φ = 133056892.

The previous prime is 133056883. The next prime is 133056899. The reversal of 133056893 is 398650331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130827844 + 2229049 = 11438^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 133056893 - 2⁴ = 133056877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133056899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66528446 + 66528447.

It is an arithmetic number, because the mean of its divisors is an integer number (66528447).

Almost surely, 2^133056893 is an apocalyptic number.

It is an amenable number.

133056893 is a deficient number, since it is larger than the sum of its proper divisors (1).

133056893 is an equidigital number, since it uses as much as digits as its factorization.

133056893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 133056893 is about 11535.0289553169. The cubic root of 133056893 is about 510.5196459194.

The spelling of 133056893 in words is "one hundred thirty-three million, fifty-six thousand, eight hundred ninety-three".