3139056438 has 16 divisors (see below), whose sum is σ = 7174986240. Its totient is φ = 896873256.

The previous prime is 3139056407. The next prime is 3139056439. The reversal of 3139056438 is 8346509313.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 74739439 = 3139056438 / (3 + 1 + 3 + 9 + 0 + 5 + 6 + 4 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 3139056438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139056439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37369678 + ... + 37369761.

It is an arithmetic number, because the mean of its divisors is an integer number (448436640).

Almost surely, 2^3139056438 is an apocalyptic number.

3139056438 is an abundant number, since it is smaller than the sum of its proper divisors (4035929802).

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

3139056438 is a wasteful number, since it uses less digits than its factorization.

3139056438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74739451.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 3139056438 is about 56027.2829789202. The cubic root of 3139056438 is about 1464.1976585598.

The spelling of 3139056438 in words is "three billion, one hundred thirty-nine million, fifty-six thousand, four hundred thirty-eight".