6139871 has 2 divisors, whose sum is σ = 6139872. Its totient is φ = 6139870.

The previous prime is 6139853. The next prime is 6139883. The reversal of 6139871 is 1789316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6139871 - 2⁶ = 6139807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6132871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069935 + 3069936.

It is an arithmetic number, because the mean of its divisors is an integer number (3069936).

Almost surely, 2^6139871 is an apocalyptic number.

6139871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6139871 is an equidigital number, since it uses as much as digits as its factorization.

6139871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 6139871 is about 2477.8763084545. The cubic root of 6139871 is about 183.1132407503.

The spelling of 6139871 in words is "six million, one hundred thirty-nine thousand, eight hundred seventy-one".