1317949118 has 8 divisors (see below), whose sum is σ = 1981428240. Its totient is φ = 657473040.

The previous prime is 1317949111. The next prime is 1317949153. The reversal of 1317949118 is 8119497131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317949111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749663 + ... + 751418.

It is an arithmetic number, because the mean of its divisors is an integer number (247678530).

Almost surely, 2^1317949118 is an apocalyptic number.

1317949118 is a deficient number, since it is larger than the sum of its proper divisors (663479122).

1317949118 is a wasteful number, since it uses less digits than its factorization.

1317949118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501522.

The product of its digits is 54432, while the sum is 44.

The square root of 1317949118 is about 36303.5689430116. The cubic root of 1317949118 is about 1096.3929002968.

The spelling of 1317949118 in words is "one billion, three hundred seventeen million, nine hundred forty-nine thousand, one hundred eighteen".