133030439 has 2 divisors, whose sum is σ = 133030440. Its totient is φ = 133030438.

The previous prime is 133030411. The next prime is 133030441. The reversal of 133030439 is 934030331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133030439 - 2¹⁶ = 132964903 is a prime.

Together with 133030441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133030409) 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, 66515219 + 66515220.

It is an arithmetic number, because the mean of its divisors is an integer number (66515220).

Almost surely, 2^133030439 is an apocalyptic number.

133030439 is a deficient number, since it is larger than the sum of its proper divisors (1).

133030439 is an equidigital number, since it uses as much as digits as its factorization.

133030439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 133030439 is about 11533.8822171895. The cubic root of 133030439 is about 510.4858103133.

The spelling of 133030439 in words is "one hundred thirty-three million, thirty thousand, four hundred thirty-nine".