3138502218 has 16 divisors (see below), whose sum is σ = 6288613536. Its totient is φ = 1044232560.

The previous prime is 3138502193. The next prime is 3138502249. The reversal of 3138502218 is 8122058313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480196 + ... + 486687.

It is an arithmetic number, because the mean of its divisors is an integer number (393038346).

Almost surely, 2^3138502218 is an apocalyptic number.

3138502218 is an abundant number, since it is smaller than the sum of its proper divisors (3150111318).

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

3138502218 is a wasteful number, since it uses less digits than its factorization.

3138502218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967429.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 3138502218 is about 56022.3367773962. The cubic root of 3138502218 is about 1464.1114824105. Note that the first 3 decimals are identical.

The spelling of 3138502218 in words is "three billion, one hundred thirty-eight million, five hundred two thousand, two hundred eighteen".