6000139 has 4 divisors (see below), whose sum is σ = 6084720. Its totient is φ = 5915560.

The previous prime is 6000121. The next prime is 6000149. The reversal of 6000139 is 9310006.

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

It is a cyclic number.

It is not a de Polignac number, because 6000139 - 2⁷ = 6000011 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6000109) 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, 42184 + ... + 42325.

It is an arithmetic number, because the mean of its divisors is an integer number (1521180).

Almost surely, 2^6000139 is an apocalyptic number.

6000139 is a deficient number, since it is larger than the sum of its proper divisors (84581).

6000139 is an equidigital number, since it uses as much as digits as its factorization.

6000139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84580.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 6000139 is about 2449.5181158750. The cubic root of 6000139 is about 181.7134624933.

The spelling of 6000139 in words is "six million, one hundred thirty-nine", and thus it is an aban number.