6139556 has 6 divisors (see below), whose sum is σ = 10744230. Its totient is φ = 3069776.

The previous prime is 6139547. The next prime is 6139559. The reversal of 6139556 is 6559316.

It can be written as a sum of positive squares in only one way, i.e., 5837056 + 302500 = 2416^2 + 550^2 .

It is not an unprimeable number, because it can be changed into a prime (6139559) 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, 767441 + ... + 767448.

It is an arithmetic number, because the mean of its divisors is an integer number (1790705).

Almost surely, 2^6139556 is an apocalyptic number.

It is an amenable number.

6139556 is a deficient number, since it is larger than the sum of its proper divisors (4604674).

6139556 is a wasteful number, since it uses less digits than its factorization.

6139556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534893 (or 1534891 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The square root of 6139556 is about 2477.8127451444. The cubic root of 6139556 is about 183.1101092156.

The spelling of 6139556 in words is "six million, one hundred thirty-nine thousand, five hundred fifty-six".