27139252 has 12 divisors (see below), whose sum is σ = 54278560. Its totient is φ = 11631096.

The previous prime is 27139249. The next prime is 27139267. The reversal of 27139252 is 25293172.

27139252 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 484602 + ... + 484657.

Almost surely, 2^27139252 is an apocalyptic number.

It is an amenable number.

27139252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27139252 is a wasteful number, since it uses less digits than its factorization.

27139252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969270 (or 969268 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 27139252 is about 5209.5347201070. The cubic root of 27139252 is about 300.5148640261.

The spelling of 27139252 in words is "twenty-seven million, one hundred thirty-nine thousand, two hundred fifty-two".