133384319 has 2 divisors, whose sum is σ = 133384320. Its totient is φ = 133384318.

The previous prime is 133384301. The next prime is 133384333. The reversal of 133384319 is 913483331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133384319 - 2¹² = 133380223 is a prime.

It is a super-2 number, since 2×133384319² = 35582753110187522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133384379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66692159 + 66692160.

It is an arithmetic number, because the mean of its divisors is an integer number (66692160).

Almost surely, 2^133384319 is an apocalyptic number.

133384319 is a deficient number, since it is larger than the sum of its proper divisors (1).

133384319 is an equidigital number, since it uses as much as digits as its factorization.

133384319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 133384319 is about 11549.2129169048. The cubic root of 133384319 is about 510.9380646261.

The spelling of 133384319 in words is "one hundred thirty-three million, three hundred eighty-four thousand, three hundred nineteen".