1317538229 has 8 divisors (see below), whose sum is σ = 1506082368. Its totient is φ = 1129075200.

The previous prime is 1317538193. The next prime is 1317538247. The reversal of 1317538229 is 9228357131.

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 1317538229 - 2²⁰ = 1316489653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317538429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19829 + ... + 55029.

It is an arithmetic number, because the mean of its divisors is an integer number (188260296).

Almost surely, 2^1317538229 is an apocalyptic number.

It is an amenable number.

1317538229 is a deficient number, since it is larger than the sum of its proper divisors (188544139).

1317538229 is an equidigital number, since it uses as much as digits as its factorization.

1317538229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40555.

The product of its digits is 90720, while the sum is 41.

The square root of 1317538229 is about 36297.9094301586. The cubic root of 1317538229 is about 1096.2789498667.

The spelling of 1317538229 in words is "one billion, three hundred seventeen million, five hundred thirty-eight thousand, two hundred twenty-nine".