1317263064 has 96 divisors (see below), whose sum is σ = 3611980800. Its totient is φ = 400083840.

The previous prime is 1317263053. The next prime is 1317263099. The reversal of 1317263064 is 4603627131.

1317263064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318369 + ... + 322479.

It is an arithmetic number, because the mean of its divisors is an integer number (37624800).

Almost surely, 2^1317263064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317263064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805990400).

1317263064 is an abundant number, since it is smaller than the sum of its proper divisors (2294717736).

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

1317263064 is a wasteful number, since it uses less digits than its factorization.

1317263064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225 (or 4208 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1317263064 is about 36294.1188624273. The cubic root of 1317263064 is about 1096.2026260598.

The spelling of 1317263064 in words is "one billion, three hundred seventeen million, two hundred sixty-three thousand, sixty-four".