1391316199 has 16 divisors (see below), whose sum is σ = 1713275200. Its totient is φ = 1100252160.

The previous prime is 1391316187. The next prime is 1391316203. The reversal of 1391316199 is 9916131931.

It is a happy number.

It is not a de Polignac number, because 1391316199 - 2²¹ = 1389219047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391316119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303577 + ... + 308125.

It is an arithmetic number, because the mean of its divisors is an integer number (107079700).

Almost surely, 2^1391316199 is an apocalyptic number.

1391316199 is a deficient number, since it is larger than the sum of its proper divisors (321959001).

1391316199 is a wasteful number, since it uses less digits than its factorization.

1391316199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930.

The product of its digits is 39366, while the sum is 43.

The square root of 1391316199 is about 37300.3511913762. The cubic root of 1391316199 is about 1116.3711737428.

The spelling of 1391316199 in words is "one billion, three hundred ninety-one million, three hundred sixteen thousand, one hundred ninety-nine".