1340617277 has 2 divisors, whose sum is σ = 1340617278. Its totient is φ = 1340617276.

The previous prime is 1340617259. The next prime is 1340617301. The reversal of 1340617277 is 7727160431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069224601 + 271392676 = 32699^2 + 16474^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340617277 - 2¹² = 1340613181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340617277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340617247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670308638 + 670308639.

It is an arithmetic number, because the mean of its divisors is an integer number (670308639).

Almost surely, 2^1340617277 is an apocalyptic number.

It is an amenable number.

1340617277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340617277 is an equidigital number, since it uses as much as digits as its factorization.

1340617277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 1340617277 is about 36614.4408259910. The cubic root of 1340617277 is about 1102.6430319553.

The spelling of 1340617277 in words is "one billion, three hundred forty million, six hundred seventeen thousand, two hundred seventy-seven".