1336400239 has 2 divisors, whose sum is σ = 1336400240. Its totient is φ = 1336400238.

The previous prime is 1336400213. The next prime is 1336400279. The reversal of 1336400239 is 9320046331.

It is a weak prime.

It is an emirp because it is prime and its reverse (9320046331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1336400239 - 2¹⁵ = 1336367471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1336400239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336400279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668200119 + 668200120.

It is an arithmetic number, because the mean of its divisors is an integer number (668200120).

Almost surely, 2^1336400239 is an apocalyptic number.

1336400239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336400239 is an equidigital number, since it uses as much as digits as its factorization.

1336400239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1336400239 is about 36556.8083809295. The cubic root of 1336400239 is about 1101.4856617057.

The spelling of 1336400239 in words is "one billion, three hundred thirty-six million, four hundred thousand, two hundred thirty-nine".