3139715426 has 4 divisors (see below), whose sum is σ = 4709573142. Its totient is φ = 1569857712.

The previous prime is 3139715419. The next prime is 3139715429. The reversal of 3139715426 is 6245179313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2899930201 + 239785225 = 53851^2 + 15485^2 .

It is a super-2 number, since 2×3139715426² = 19715625912524722952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3139715429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784928855 + ... + 784928858.

Almost surely, 2^3139715426 is an apocalyptic number.

3139715426 is a deficient number, since it is larger than the sum of its proper divisors (1569857716).

3139715426 is a wasteful number, since it uses less digits than its factorization.

3139715426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569857715.

The product of its digits is 136080, while the sum is 41.

The square root of 3139715426 is about 56033.1636265524. The cubic root of 3139715426 is about 1464.3001119767.

The spelling of 3139715426 in words is "three billion, one hundred thirty-nine million, seven hundred fifteen thousand, four hundred twenty-six".