3139644312 has 192 divisors, whose sum is σ = 9998926080. Its totient is φ = 871347456.

The previous prime is 3139644311. The next prime is 3139644373. The reversal of 3139644312 is 2134469313.

3139644312 is a `hidden beast` number, since 3 + 1 + 3 + 9 + 644 + 3 + 1 + 2 = 666.

3139644312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139644311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6002883 + ... + 6003405.

It is an arithmetic number, because the mean of its divisors is an integer number (52077740).

Almost surely, 2^3139644312 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 3139644312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4999463040).

3139644312 is an abundant number, since it is smaller than the sum of its proper divisors (6859281768).

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

3139644312 is a wasteful number, since it uses less digits than its factorization.

3139644312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 855 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3139644312 is about 56032.5290523282. The cubic root of 3139644312 is about 1464.2890565136.

The spelling of 3139644312 in words is "three billion, one hundred thirty-nine million, six hundred forty-four thousand, three hundred twelve".