27139267 has 2 divisors, whose sum is σ = 27139268. Its totient is φ = 27139266.

The previous prime is 27139249. The next prime is 27139271. The reversal of 27139267 is 76293172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27139267 - 2²³ = 18750659 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (27139247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13569633 + 13569634.

It is an arithmetic number, because the mean of its divisors is an integer number (13569634).

Almost surely, 2^27139267 is an apocalyptic number.

27139267 is a deficient number, since it is larger than the sum of its proper divisors (1).

27139267 is an equidigital number, since it uses as much as digits as its factorization.

27139267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 27139267 is about 5209.5361597747. The cubic root of 27139267 is about 300.5149193915.

The spelling of 27139267 in words is "twenty-seven million, one hundred thirty-nine thousand, two hundred sixty-seven".