318674140852 has 24 divisors (see below), whose sum is σ = 559878495176. Its totient is φ = 158709777408.

The previous prime is 318674140817. The next prime is 318674140853. The reversal of 318674140852 is 258041476813.

It can be written as a sum of positive squares in 4 ways, for example, as 93491623696 + 225182517156 = 305764^2 + 474534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 318674140796 and 318674140805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318674140853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278058 + ... + 1506910.

Almost surely, 2^318674140852 is an apocalyptic number.

It is an amenable number.

318674140852 is a deficient number, since it is larger than the sum of its proper divisors (241204354324).

318674140852 is a wasteful number, since it uses less digits than its factorization.

318674140852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230227 (or 230225 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 318674140852 in words is "three hundred eighteen billion, six hundred seventy-four million, one hundred forty thousand, eight hundred fifty-two".