133593793 has 2 divisors, whose sum is σ = 133593794. Its totient is φ = 133593792.

The previous prime is 133593767. The next prime is 133593799. The reversal of 133593793 is 397395331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68178049 + 65415744 = 8257^2 + 8088^2 .

It is a cyclic number.

It is not a de Polignac number, because 133593793 - 2⁹ = 133593281 is a prime.

It is not a weakly prime, because it can be changed into another prime (133593799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66796896 + 66796897.

It is an arithmetic number, because the mean of its divisors is an integer number (66796897).

Almost surely, 2^133593793 is an apocalyptic number.

It is an amenable number.

133593793 is a deficient number, since it is larger than the sum of its proper divisors (1).

133593793 is an equidigital number, since it uses as much as digits as its factorization.

133593793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229635, while the sum is 43.

The square root of 133593793 is about 11558.2781157056. The cubic root of 133593793 is about 511.2053930550.

The spelling of 133593793 in words is "one hundred thirty-three million, five hundred ninety-three thousand, seven hundred ninety-three".