133334819 has 2 divisors, whose sum is σ = 133334820. Its totient is φ = 133334818.

The previous prime is 133334801. The next prime is 133334827. The reversal of 133334819 is 918433331.

It is a strong prime.

It is an emirp because it is prime and its reverse (918433331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133334819 is a prime.

It is a super-2 number, since 2×133334819² = 35556347915525522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133334849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66667409 + 66667410.

It is an arithmetic number, because the mean of its divisors is an integer number (66667410).

Almost surely, 2^133334819 is an apocalyptic number.

133334819 is a deficient number, since it is larger than the sum of its proper divisors (1).

133334819 is an equidigital number, since it uses as much as digits as its factorization.

133334819 is an odious number, because the sum of its binary digits is odd.

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

The square root of 133334819 is about 11547.0697148671. The cubic root of 133334819 is about 510.8748523893.

The spelling of 133334819 in words is "one hundred thirty-three million, three hundred thirty-four thousand, eight hundred nineteen".