1315440199 has 2 divisors, whose sum is σ = 1315440200. Its totient is φ = 1315440198.

The previous prime is 1315440193. The next prime is 1315440211. The reversal of 1315440199 is 9910445131.

It is a weak prime.

It is an emirp because it is prime and its reverse (9910445131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315440199 - 2¹¹ = 1315438151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315440193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657720099 + 657720100.

It is an arithmetic number, because the mean of its divisors is an integer number (657720100).

Almost surely, 2^1315440199 is an apocalyptic number.

1315440199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315440199 is an equidigital number, since it uses as much as digits as its factorization.

1315440199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1315440199 is about 36268.9977666877. The cubic root of 1315440199 is about 1095.6967408147.

The spelling of 1315440199 in words is "one billion, three hundred fifteen million, four hundred forty thousand, one hundred ninety-nine".