1317532368 has 80 divisors (see below), whose sum is σ = 3760580736. Its totient is φ = 395366400.

The previous prime is 1317532361. The next prime is 1317532399. The reversal of 1317532368 is 8632357131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317532361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16333 + ... + 53868.

Almost surely, 2^1317532368 is an apocalyptic number.

It is an amenable number.

1317532368 is an abundant number, since it is smaller than the sum of its proper divisors (2443048368).

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

1317532368 is a wasteful number, since it uses less digits than its factorization.

1317532368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70252 (or 70246 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 1317532368 is about 36297.8286953917. The cubic root of 1317532368 is about 1096.2773242844.

Adding to 1317532368 its reverse (8632357131), we get a palindrome (9949889499).

The spelling of 1317532368 in words is "one billion, three hundred seventeen million, five hundred thirty-two thousand, three hundred sixty-eight".