1370909317 has 2 divisors, whose sum is σ = 1370909318. Its totient is φ = 1370909316.

The previous prime is 1370909279. The next prime is 1370909321. The reversal of 1370909317 is 7139090731.

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., 845995396 + 524913921 = 29086^2 + 22911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370909317 - 2¹¹ = 1370907269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1370909317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370909327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685454658 + 685454659.

It is an arithmetic number, because the mean of its divisors is an integer number (685454659).

Almost surely, 2^1370909317 is an apocalyptic number.

It is an amenable number.

1370909317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370909317 is an equidigital number, since it uses as much as digits as its factorization.

1370909317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 1370909317 is about 37025.7925911114. The cubic root of 1370909317 is about 1110.8862108117.

The spelling of 1370909317 in words is "one billion, three hundred seventy million, nine hundred nine thousand, three hundred seventeen".