133696319 has 2 divisors, whose sum is σ = 133696320. Its totient is φ = 133696318.

The previous prime is 133696307. The next prime is 133696357. The reversal of 133696319 is 913696331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133696319 - 2²⁰ = 132647743 is a prime.

It is a super-2 number, since 2×133696319² = 35749411428299522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133696379) 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, 66848159 + 66848160.

It is an arithmetic number, because the mean of its divisors is an integer number (66848160).

Almost surely, 2^133696319 is an apocalyptic number.

133696319 is a deficient number, since it is larger than the sum of its proper divisors (1).

133696319 is an equidigital number, since it uses as much as digits as its factorization.

133696319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 41.

The square root of 133696319 is about 11562.7124412916. The cubic root of 133696319 is about 511.3361337651.

The spelling of 133696319 in words is "one hundred thirty-three million, six hundred ninety-six thousand, three hundred nineteen".