27139071 has 8 divisors (see below), whose sum is σ = 36215424. Its totient is φ = 18077720.

The previous prime is 27139067. The next prime is 27139109. The reversal of 27139071 is 17093172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27139071 - 2² = 27139067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27139061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540 + ... + 7526.

It is an arithmetic number, because the mean of its divisors is an integer number (4526928).

Almost surely, 2^27139071 is an apocalyptic number.

27139071 is a deficient number, since it is larger than the sum of its proper divisors (9076353).

27139071 is a wasteful number, since it uses less digits than its factorization.

27139071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501.

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

The square root of 27139071 is about 5209.5173480851. The cubic root of 27139071 is about 300.5141959493.

The spelling of 27139071 in words is "twenty-seven million, one hundred thirty-nine thousand, seventy-one".