3139647422 has 8 divisors (see below), whose sum is σ = 4709714376. Its totient is φ = 1569742632.

The previous prime is 3139647421. The next prime is 3139647461. The reversal of 3139647422 is 2247469313.

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

It is a super-4 number, since 4×3139647422⁴ (a number of 39 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3139647422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139647421) 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, 39353 + ... + 88475.

It is an arithmetic number, because the mean of its divisors is an integer number (588714297).

Almost surely, 2^3139647422 is an apocalyptic number.

3139647422 is a deficient number, since it is larger than the sum of its proper divisors (1570066954).

3139647422 is a wasteful number, since it uses less digits than its factorization.

3139647422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81082.

The product of its digits is 217728, while the sum is 41.

The square root of 3139647422 is about 56032.5568040581. The cubic root of 3139647422 is about 1464.2895400012.

The spelling of 3139647422 in words is "three billion, one hundred thirty-nine million, six hundred forty-seven thousand, four hundred twenty-two".