1340241213197 has 2 divisors, whose sum is σ = 1340241213198. Its totient is φ = 1340241213196.

The previous prime is 1340241213119. The next prime is 1340241213203. The reversal of 1340241213197 is 7913121420431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1176923389321 + 163317823876 = 1084861^2 + 404126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340241213197 - 2²⁰ = 1340240164621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340241213197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340241213107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670120606598 + 670120606599.

It is an arithmetic number, because the mean of its divisors is an integer number (670120606599).

Almost surely, 2^{1340241213197} is an apocalyptic number.

It is an amenable number.

1340241213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340241213197 is an equidigital number, since it uses as much as digits as its factorization.

1340241213197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 1340241213197 in words is "one trillion, three hundred forty billion, two hundred forty-one million, two hundred thirteen thousand, one hundred ninety-seven".