27139532 has 48 divisors (see below), whose sum is σ = 56179200. Its totient is φ = 11466000.

The previous prime is 27139529. The next prime is 27139547. The reversal of 27139532 is 23593172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179657 + ... + 179807.

It is an arithmetic number, because the mean of its divisors is an integer number (1170400).

Almost surely, 2^27139532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27139532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28089600).

27139532 is an abundant number, since it is smaller than the sum of its proper divisors (29039668).

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

27139532 is a wasteful number, since it uses less digits than its factorization.

27139532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 291 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 27139532 is about 5209.5615938388. The cubic root of 27139532 is about 300.5158975092.

The spelling of 27139532 in words is "twenty-seven million, one hundred thirty-nine thousand, five hundred thirty-two".