1391362853 has 2 divisors, whose sum is σ = 1391362854. Its totient is φ = 1391362852.

The previous prime is 1391362849. The next prime is 1391362867. The reversal of 1391362853 is 3582631931.

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., 1376632609 + 14730244 = 37103^2 + 3838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1391362853 - 2² = 1391362849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1391362853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1391362813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695681426 + 695681427.

It is an arithmetic number, because the mean of its divisors is an integer number (695681427).

Almost surely, 2^1391362853 is an apocalyptic number.

It is an amenable number.

1391362853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391362853 is an equidigital number, since it uses as much as digits as its factorization.

1391362853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 1391362853 is about 37300.9765689854. The cubic root of 1391362853 is about 1116.3836517591.

The spelling of 1391362853 in words is "one billion, three hundred ninety-one million, three hundred sixty-two thousand, eight hundred fifty-three".