1316857339 has 24 divisors (see below), whose sum is σ = 1637099520. Its totient is φ = 1034732880.

The previous prime is 1316857319. The next prime is 1316857379. The reversal of 1316857339 is 9337586131.

It is not a de Polignac number, because 1316857339 - 2⁵ = 1316857307 is a prime.

It is a super-2 number, since 2×1316857339² = 3468226502556321842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316857309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122662 + ... + 132964.

It is an arithmetic number, because the mean of its divisors is an integer number (68212480).

Almost surely, 2^1316857339 is an apocalyptic number.

1316857339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1316857339 is a deficient number, since it is larger than the sum of its proper divisors (320242181).

1316857339 is a wasteful number, since it uses less digits than its factorization.

1316857339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391 (or 10360 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 1316857339 is about 36288.5290277796. The cubic root of 1316857339 is about 1096.0900688207.

It can be divided in two parts, 13168 and 57339, that added together give a palindrome (70507).

The spelling of 1316857339 in words is "one billion, three hundred sixteen million, eight hundred fifty-seven thousand, three hundred thirty-nine".