1340205939103 has 2 divisors, whose sum is σ = 1340205939104. Its totient is φ = 1340205939102.

The previous prime is 1340205939089. The next prime is 1340205939113. The reversal of 1340205939103 is 3019395020431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340205939103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340205939113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670102969551 + 670102969552.

It is an arithmetic number, because the mean of its divisors is an integer number (670102969552).

Almost surely, 2^{1340205939103} is an apocalyptic number.

1340205939103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340205939103 is an equidigital number, since it uses as much as digits as its factorization.

1340205939103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 1340205939103 in words is "one trillion, three hundred forty billion, two hundred five million, nine hundred thirty-nine thousand, one hundred three".