27139318 has 4 divisors (see below), whose sum is σ = 40708980. Its totient is φ = 13569658.

The previous prime is 27139313. The next prime is 27139369. The reversal of 27139318 is 81393172.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27139313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6784828 + ... + 6784831.

It is an arithmetic number, because the mean of its divisors is an integer number (10177245).

Almost surely, 2^27139318 is an apocalyptic number.

27139318 is a deficient number, since it is larger than the sum of its proper divisors (13569662).

27139318 is a wasteful number, since it uses less digits than its factorization.

27139318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569661.

The product of its digits is 9072, while the sum is 34.

The square root of 27139318 is about 5209.5410546420. The cubic root of 27139318 is about 300.5151076335.

The spelling of 27139318 in words is "twenty-seven million, one hundred thirty-nine thousand, three hundred eighteen".