1316912009 has 8 divisors (see below), whose sum is σ = 1505622720. Its totient is φ = 1128346416.

The previous prime is 1316911969. The next prime is 1316912027. The reversal of 1316912009 is 9002196131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1316912009 - 2¹⁶ = 1316846473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316912309) 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 7 ways as a sum of consecutive naturals, for example, 16079 + ... + 53780.

It is an arithmetic number, because the mean of its divisors is an integer number (188202840).

Almost surely, 2^1316912009 is an apocalyptic number.

It is an amenable number.

1316912009 is a deficient number, since it is larger than the sum of its proper divisors (188710711).

1316912009 is an equidigital number, since it uses as much as digits as its factorization.

1316912009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72559.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1316912009 is about 36289.2822883010. The cubic root of 1316912009 is about 1096.1052368558.

The spelling of 1316912009 in words is "one billion, three hundred sixteen million, nine hundred twelve thousand, nine".