1340535144019 has 2 divisors, whose sum is σ = 1340535144020. Its totient is φ = 1340535144018.

The previous prime is 1340535143957. The next prime is 1340535144037. The reversal of 1340535144019 is 9104415350431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340535144019 - 2²⁵ = 1340501589587 is a prime.

It is a super-2 number, since 2×1340535144019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1340535144049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670267572009 + 670267572010.

It is an arithmetic number, because the mean of its divisors is an integer number (670267572010).

Almost surely, 2^{1340535144019} is an apocalyptic number.

1340535144019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340535144019 is an equidigital number, since it uses as much as digits as its factorization.

1340535144019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1340535144019 in words is "one trillion, three hundred forty billion, five hundred thirty-five million, one hundred forty-four thousand, nineteen".