27138150 has 72 divisors (see below), whose sum is σ = 78536640. Its totient is φ = 6678720.

The previous prime is 27138119. The next prime is 27138151. The reversal of 27138150 is 5183172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27138151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3531 + ... + 8169.

Almost surely, 2^27138150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27138150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39268320).

27138150 is an abundant number, since it is smaller than the sum of its proper divisors (51398490).

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

27138150 is a wasteful number, since it uses less digits than its factorization.

27138150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 27138150 is about 5209.4289514303. The cubic root of 27138150 is about 300.5107964630.

The spelling of 27138150 in words is "twenty-seven million, one hundred thirty-eight thousand, one hundred fifty".