1316519793 has 48 divisors (see below), whose sum is σ = 2021685120. Its totient is φ = 823882752.

The previous prime is 1316519791. The next prime is 1316519803. The reversal of 1316519793 is 3979156131.

It is a happy number.

It is not a de Polignac number, because 1316519793 - 2¹ = 1316519791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316519791) 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 47 ways as a sum of consecutive naturals, for example, 3473478 + ... + 3473856.

It is an arithmetic number, because the mean of its divisors is an integer number (42118440).

Almost surely, 2^1316519793 is an apocalyptic number.

It is an amenable number.

1316519793 is a deficient number, since it is larger than the sum of its proper divisors (705165327).

1316519793 is a wasteful number, since it uses less digits than its factorization.

1316519793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 675 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 1316519793 is about 36283.8778660716. The cubic root of 1316519793 is about 1095.9964083500.

The spelling of 1316519793 in words is "one billion, three hundred sixteen million, five hundred nineteen thousand, seven hundred ninety-three".