1317360000 has 320 divisors, whose sum is σ = 4779720000. Its totient is φ = 318720000.

The previous prime is 1317359977. The next prime is 1317360001. The reversal of 1317360000 is 637131.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317360001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2639751 + ... + 2640249.

It is an arithmetic number, because the mean of its divisors is an integer number (14936625).

Almost surely, 2^1317360000 is an apocalyptic number.

1317360000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389860000).

1317360000 is an abundant number, since it is smaller than the sum of its proper divisors (3462360000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317360000 is an equidigital number, since it uses as much as digits as its factorization.

1317360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1317360000 is about 36295.4542608300. The cubic root of 1317360000 is about 1096.2295148654.

Adding to 1317360000 its reverse (637131), we get a palindrome (1317997131).

The spelling of 1317360000 in words is "one billion, three hundred seventeen million, three hundred sixty thousand".