3139207156 has 6 divisors (see below), whose sum is σ = 5493612530. Its totient is φ = 1569603576.

The previous prime is 3139207147. The next prime is 3139207207. The reversal of 3139207156 is 6517029313.

It can be written as a sum of positive squares in only one way, i.e., 2993184100 + 146023056 = 54710^2 + 12084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392400891 + ... + 392400898.

Almost surely, 2^3139207156 is an apocalyptic number.

It is an amenable number.

3139207156 is a deficient number, since it is larger than the sum of its proper divisors (2354405374).

3139207156 is a wasteful number, since it uses less digits than its factorization.

3139207156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784801793 (or 784801791 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3139207156 is about 56028.6280039053. The cubic root of 3139207156 is about 1464.2210920782.

The spelling of 3139207156 in words is "three billion, one hundred thirty-nine million, two hundred seven thousand, one hundred fifty-six".