3139388929 has 8 divisors (see below), whose sum is σ = 3364109280. Its totient is φ = 2919118656.

The previous prime is 3139388927. The next prime is 3139388947. The reversal of 3139388929 is 9298839313.

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

It is a cyclic number.

It is not a de Polignac number, because 3139388929 - 2¹ = 3139388927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3139388929.

It is not an unprimeable number, because it can be changed into a prime (3139388921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111059 + ... + 1113880.

It is an arithmetic number, because the mean of its divisors is an integer number (420513660).

Almost surely, 2^3139388929 is an apocalyptic number.

It is an amenable number.

3139388929 is a deficient number, since it is larger than the sum of its proper divisors (224720351).

3139388929 is a wasteful number, since it uses less digits than its factorization.

3139388929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225039.

The product of its digits is 2519424, while the sum is 55.

The square root of 3139388929 is about 56030.2501243748. The cubic root of 3139388929 is about 1464.2493530064.

The spelling of 3139388929 in words is "three billion, one hundred thirty-nine million, three hundred eighty-eight thousand, nine hundred twenty-nine".