3139249572 has 144 divisors (see below), whose sum is σ = 8390910528. Its totient is φ = 988565760.

The previous prime is 3139249549. The next prime is 3139249573. The reversal of 3139249572 is 2759429313.

3139249572 is a `hidden beast` number, since 3 + 1 + 3 + 92 + 495 + 72 = 666.

3139249572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3139249573) 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, 6809422 + ... + 6809882.

It is an arithmetic number, because the mean of its divisors is an integer number (58270212).

Almost surely, 2^3139249572 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 3139249572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4195455264).

3139249572 is an abundant number, since it is smaller than the sum of its proper divisors (5251660956).

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

3139249572 is a wasteful number, since it uses less digits than its factorization.

3139249572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 645 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 3139249572 is about 56029.0065234071. The cubic root of 3139249572 is about 1464.2276867500.

The spelling of 3139249572 in words is "three billion, one hundred thirty-nine million, two hundred forty-nine thousand, five hundred seventy-two".