1340810017 has 2 divisors, whose sum is σ = 1340810018. Its totient is φ = 1340810016.

The previous prime is 1340810011. The next prime is 1340810039. The reversal of 1340810017 is 7100180431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219127056 + 121682961 = 34916^2 + 11031^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340810017 - 2⁷ = 1340809889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340809973 and 1340810000.

It is not a weakly prime, because it can be changed into another prime (1340810011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670405008 + 670405009.

It is an arithmetic number, because the mean of its divisors is an integer number (670405009).

Almost surely, 2^1340810017 is an apocalyptic number.

It is an amenable number.

1340810017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340810017 is an equidigital number, since it uses as much as digits as its factorization.

1340810017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1340810017 is about 36617.0727530206. The cubic root of 1340810017 is about 1102.6958716030.

Adding to 1340810017 its reverse (7100180431), we get a palindrome (8440990448).

The spelling of 1340810017 in words is "one billion, three hundred forty million, eight hundred ten thousand, seventeen".