27139017 has 4 divisors (see below), whose sum is σ = 36185360. Its totient is φ = 18092676.

The previous prime is 27138971. The next prime is 27139033. The reversal of 27139017 is 71093172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27139017 - 2¹¹ = 27136969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27139067) 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, 4523167 + ... + 4523172.

It is an arithmetic number, because the mean of its divisors is an integer number (9046340).

Almost surely, 2^27139017 is an apocalyptic number.

It is an amenable number.

27139017 is a deficient number, since it is larger than the sum of its proper divisors (9046343).

27139017 is an equidigital number, since it uses as much as digits as its factorization.

27139017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046342.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 27139017 is about 5209.5121652608. The cubic root of 27139017 is about 300.5139966330.

The spelling of 27139017 in words is "twenty-seven million, one hundred thirty-nine thousand, seventeen".