3085139 has 2 divisors, whose sum is σ = 3085140. Its totient is φ = 3085138.

The previous prime is 3085129. The next prime is 3085189. The reversal of 3085139 is 9315803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3085139 - 2⁴ = 3085123 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3085129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542569 + 1542570.

It is an arithmetic number, because the mean of its divisors is an integer number (1542570).

Almost surely, 2^3085139 is an apocalyptic number.

3085139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085139 is an equidigital number, since it uses as much as digits as its factorization.

3085139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3085139 is about 1756.4563757748. The cubic root of 3085139 is about 145.5766022006.

The spelling of 3085139 in words is "three million, eighty-five thousand, one hundred thirty-nine".