1317829091 has 8 divisors (see below), whose sum is σ = 1380360960. Its totient is φ = 1255733512.

The previous prime is 1317829067. The next prime is 1317829129. The reversal of 1317829091 is 1909287131.

It is a happy number.

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 1317829091 - 2¹⁰ = 1317828067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317829021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102881 + ... + 114978.

It is an arithmetic number, because the mean of its divisors is an integer number (172545120).

Almost surely, 2^1317829091 is an apocalyptic number.

1317829091 is a deficient number, since it is larger than the sum of its proper divisors (62531869).

1317829091 is a wasteful number, since it uses less digits than its factorization.

1317829091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218145.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 1317829091 is about 36301.9158034394. The cubic root of 1317829091 is about 1096.3596160716.

The spelling of 1317829091 in words is "one billion, three hundred seventeen million, eight hundred twenty-nine thousand, ninety-one".