133310839 has 2 divisors, whose sum is σ = 133310840. Its totient is φ = 133310838.

The previous prime is 133310813. The next prime is 133310843. The reversal of 133310839 is 938013331.

It is a strong prime.

It is an emirp because it is prime and its reverse (938013331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133310839 - 2⁷ = 133310711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133310839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133310899) 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, 66655419 + 66655420.

It is an arithmetic number, because the mean of its divisors is an integer number (66655420).

Almost surely, 2^133310839 is an apocalyptic number.

133310839 is a deficient number, since it is larger than the sum of its proper divisors (1).

133310839 is an equidigital number, since it uses as much as digits as its factorization.

133310839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 133310839 is about 11546.0313095020. The cubic root of 133310839 is about 510.8442239469.

The spelling of 133310839 in words is "one hundred thirty-three million, three hundred ten thousand, eight hundred thirty-nine".