3139684218 has 48 divisors (see below), whose sum is σ = 7429024512. Its totient is φ = 950400000.

The previous prime is 3139684199. The next prime is 3139684297. The reversal of 3139684218 is 8124869313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188218 + ... + 204218.

It is an arithmetic number, because the mean of its divisors is an integer number (154771344).

Almost surely, 2^3139684218 is an apocalyptic number.

3139684218 is an abundant number, since it is smaller than the sum of its proper divisors (4289340294).

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

3139684218 is a wasteful number, since it uses less digits than its factorization.

3139684218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17011 (or 17008 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3139684218 is about 56032.8851479201. The cubic root of 3139684218 is about 1464.2952603662.

The spelling of 3139684218 in words is "three billion, one hundred thirty-nine million, six hundred eighty-four thousand, two hundred eighteen".