27139268 has 24 divisors (see below), whose sum is σ = 51293592. Its totient is φ = 12489984.

The previous prime is 27139267. The next prime is 27139271. The reversal of 27139268 is 86293172.

It can be written as a sum of positive squares in 4 ways, for example, as 2715904 + 24423364 = 1648^2 + 4942^2 .

It is not an unprimeable number, because it can be changed into a prime (27139267) 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, 28496 + ... + 29432.

It is an arithmetic number, because the mean of its divisors is an integer number (2137233).

Almost surely, 2^27139268 is an apocalyptic number.

It is an amenable number.

27139268 is a deficient number, since it is larger than the sum of its proper divisors (24154324).

27139268 is a wasteful number, since it uses less digits than its factorization.

27139268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1509 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 27139268 is about 5209.5362557525. The cubic root of 27139268 is about 300.5149230825.

The spelling of 27139268 in words is "twenty-seven million, one hundred thirty-nine thousand, two hundred sixty-eight".