3183139938 has 64 divisors (see below), whose sum is σ = 7028195328. Its totient is φ = 953104320.

The previous prime is 3183139909. The next prime is 3183139951. The reversal of 3183139938 is 8399313813.

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 31 ways as a sum of consecutive naturals, for example, 2572656 + ... + 2573892.

It is an arithmetic number, because the mean of its divisors is an integer number (109815552).

Almost surely, 2^3183139938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3183139938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514097664).

3183139938 is an abundant number, since it is smaller than the sum of its proper divisors (3845055390).

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

3183139938 is a wasteful number, since it uses less digits than its factorization.

3183139938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its digits is 419904, while the sum is 48.

The square root of 3183139938 is about 56419.3223816097. The cubic root of 3183139938 is about 1471.0199991951.

The spelling of 3183139938 in words is "three billion, one hundred eighty-three million, one hundred thirty-nine thousand, nine hundred thirty-eight".