3139226920 has 16 divisors (see below), whose sum is σ = 7063260660. Its totient is φ = 1255690752.

The previous prime is 3139226917. The next prime is 3139226929. The reversal of 3139226920 is 296229313.

3139226920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3128612356 + 10614564 = 55934^2 + 3258^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3139226920.

It is not an unprimeable number, because it can be changed into a prime (3139226929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39240297 + ... + 39240376.

Almost surely, 2^3139226920 is an apocalyptic number.

It is an amenable number.

3139226920 is an abundant number, since it is smaller than the sum of its proper divisors (3924033740).

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

3139226920 is a wasteful number, since it uses less digits than its factorization.

3139226920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78480684 (or 78480680 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 3139226920 is about 56028.8043777484. The cubic root of 3139226920 is about 1464.2241649141.

The spelling of 3139226920 in words is "three billion, one hundred thirty-nine million, two hundred twenty-six thousand, nine hundred twenty".