1340103197 has 2 divisors, whose sum is σ = 1340103198. Its totient is φ = 1340103196.

The previous prime is 1340103187. The next prime is 1340103223. The reversal of 1340103197 is 7913010431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942858436 + 397244761 = 30706^2 + 19931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340103197 - 2⁶ = 1340103133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340103157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670051598 + 670051599.

It is an arithmetic number, because the mean of its divisors is an integer number (670051599).

Almost surely, 2^1340103197 is an apocalyptic number.

It is an amenable number.

1340103197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340103197 is an equidigital number, since it uses as much as digits as its factorization.

1340103197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1340103197 is about 36607.4199719128. The cubic root of 1340103197 is about 1102.5020722122.

The spelling of 1340103197 in words is "one billion, three hundred forty million, one hundred three thousand, one hundred ninety-seven".