1316306686 has 24 divisors (see below), whose sum is σ = 2055510000. Its totient is φ = 632147040.

The previous prime is 1316306659. The next prime is 1316306687. The reversal of 1316306686 is 6866036131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316306687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260815 + ... + 265813.

It is an arithmetic number, because the mean of its divisors is an integer number (85646250).

Almost surely, 2^1316306686 is an apocalyptic number.

1316306686 is a deficient number, since it is larger than the sum of its proper divisors (739203314).

1316306686 is a wasteful number, since it uses less digits than its factorization.

1316306686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200 (or 5169 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 1316306686 is about 36280.9410848175. The cubic root of 1316306686 is about 1095.9372683073.

The spelling of 1316306686 in words is "one billion, three hundred sixteen million, three hundred six thousand, six hundred eighty-six".