1326000239 has 2 divisors, whose sum is σ = 1326000240. Its totient is φ = 1326000238.

The previous prime is 1326000199. The next prime is 1326000257. The reversal of 1326000239 is 9320006231.

It is a strong prime.

It is an emirp because it is prime and its reverse (9320006231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326000239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326000259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663000119 + 663000120.

It is an arithmetic number, because the mean of its divisors is an integer number (663000120).

Almost surely, 2^1326000239 is an apocalyptic number.

1326000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326000239 is an equidigital number, since it uses as much as digits as its factorization.

1326000239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1326000239 is about 36414.2861937454. The cubic root of 1326000239 is about 1098.6209271472.

The spelling of 1326000239 in words is "one billion, three hundred twenty-six million, two hundred thirty-nine", and thus it is an aban number.