9318448138 has 8 divisors (see below), whose sum is σ = 14275069632. Its totient is φ = 4560091596.

The previous prime is 9318448133. The next prime is 9318448151. The reversal of 9318448138 is 8318448139.

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

It is a junction number, because it is equal to n+sod(n) for n = 9318448091 and 9318448100.

It is not an unprimeable number, because it can be changed into a prime (9318448133) 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, 49566120 + ... + 49566307.

It is an arithmetic number, because the mean of its divisors is an integer number (1784383704).

Almost surely, 2^9318448138 is an apocalyptic number.

9318448138 is a deficient number, since it is larger than the sum of its proper divisors (4956621494).

9318448138 is a wasteful number, since it uses less digits than its factorization.

9318448138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99132476.

The product of its digits is 663552, while the sum is 49.

The square root of 9318448138 is about 96532.1093626364. The cubic root of 9318448138 is about 2104.3333150137. Note that the first 4 decimals are identical.

Subtracting from 9318448138 its reverse (8318448139), we obtain a palindrome (999999999).

The spelling of 9318448138 in words is "nine billion, three hundred eighteen million, four hundred forty-eight thousand, one hundred thirty-eight".