1340474374177 has 2 divisors, whose sum is σ = 1340474374178. Its totient is φ = 1340474374176.

The previous prime is 1340474374159. The next prime is 1340474374181. The reversal of 1340474374177 is 7714734740431.

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., 1339479854881 + 994519296 = 1157359^2 + 31536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340474374177 - 2⁷ = 1340474374049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340414374177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670237187088 + 670237187089.

It is an arithmetic number, because the mean of its divisors is an integer number (670237187089).

Almost surely, 2^{1340474374177} is an apocalyptic number.

It is an amenable number.

1340474374177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340474374177 is an equidigital number, since it uses as much as digits as its factorization.

1340474374177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 1340474374177 in words is "one trillion, three hundred forty billion, four hundred seventy-four million, three hundred seventy-four thousand, one hundred seventy-seven".