1340336437459 has 2 divisors, whose sum is σ = 1340336437460. Its totient is φ = 1340336437458.

The previous prime is 1340336437381. The next prime is 1340336437481. The reversal of 1340336437459 is 9547346330431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340336437459 - 2⁹ = 1340336436947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340336437499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670168218729 + 670168218730.

It is an arithmetic number, because the mean of its divisors is an integer number (670168218730).

Almost surely, 2^{1340336437459} is an apocalyptic number.

1340336437459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340336437459 is an equidigital number, since it uses as much as digits as its factorization.

1340336437459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 1340336437459 in words is "one trillion, three hundred forty billion, three hundred thirty-six million, four hundred thirty-seven thousand, four hundred fifty-nine".