19033139 has 2 divisors, whose sum is σ = 19033140. Its totient is φ = 19033138.

The previous prime is 19033127. The next prime is 19033141. The reversal of 19033139 is 93133091.

It is a strong prime.

It is an emirp because it is prime and its reverse (93133091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19033139 - 2⁴ = 19033123 is a prime.

Together with 19033141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19033169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9516569 + 9516570.

It is an arithmetic number, because the mean of its divisors is an integer number (9516570).

Almost surely, 2^19033139 is an apocalyptic number.

19033139 is a deficient number, since it is larger than the sum of its proper divisors (1).

19033139 is an equidigital number, since it uses as much as digits as its factorization.

19033139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 19033139 is about 4362.6985914684. The cubic root of 19033139 is about 266.9952118917.

The spelling of 19033139 in words is "nineteen million, thirty-three thousand, one hundred thirty-nine".