318140704 has 48 divisors (see below), whose sum is σ = 718054848. Its totient is φ = 135919872.

The previous prime is 318140699. The next prime is 318140707. The reversal of 318140704 is 407041813.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (318140707) 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, 75682 + ... + 79774.

It is an arithmetic number, because the mean of its divisors is an integer number (14959476).

Almost surely, 2^318140704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318140704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359027424).

318140704 is an abundant number, since it is smaller than the sum of its proper divisors (399914144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318140704 is a wasteful number, since it uses less digits than its factorization.

318140704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 318140704 is about 17836.4992080845. The cubic root of 318140704 is about 682.6630748984.

The spelling of 318140704 in words is "three hundred eighteen million, one hundred forty thousand, seven hundred four".