3113865138 has 8 divisors (see below), whose sum is σ = 6227730288. Its totient is φ = 1037955044.

The previous prime is 3113865113. The next prime is 3113865149. The reversal of 3113865138 is 8315683113.

It is a happy number.

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

3113865138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3113865096 and 3113865105.

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 3 ways as a sum of consecutive naturals, for example, 259488756 + ... + 259488767.

It is an arithmetic number, because the mean of its divisors is an integer number (778466286).

Almost surely, 2^3113865138 is an apocalyptic number.

3113865138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3113865138 is a wasteful number, since it uses less digits than its factorization.

3113865138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518977528.

The product of its digits is 51840, while the sum is 39.

The square root of 3113865138 is about 55802.0173291253. The cubic root of 3113865138 is about 1460.2703474473.

The spelling of 3113865138 in words is "three billion, one hundred thirteen million, eight hundred sixty-five thousand, one hundred thirty-eight".