27139360 has 48 divisors (see below), whose sum is σ = 66339000. Its totient is φ = 10479616.

The previous prime is 27139313. The next prime is 27139369. The reversal of 27139360 is 6393172.

It can be written as a sum of positive squares in 4 ways, for example, as 20106256 + 7033104 = 4484^2 + 2652^2 .

It is a super-2 number, since 2×27139360² = 1473089722419200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27139369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716 + ... + 7564.

Almost surely, 2^27139360 is an apocalyptic number.

27139360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27139360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33169500).

27139360 is an abundant number, since it is smaller than the sum of its proper divisors (39199640).

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

27139360 is a wasteful number, since it uses less digits than its factorization.

27139360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 27139360 is about 5209.5450857057. The cubic root of 27139360 is about 300.5152626561.

The spelling of 27139360 in words is "twenty-seven million, one hundred thirty-nine thousand, three hundred sixty".