27147156 has 24 divisors (see below), whose sum is σ = 63602784. Its totient is φ = 9012000.

The previous prime is 27147151. The next prime is 27147173. The reversal of 27147156 is 65174172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27147151) 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, 1495 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (2650116).

Almost surely, 2^27147156 is an apocalyptic number.

It is an amenable number.

27147156 is an abundant number, since it is smaller than the sum of its proper divisors (36455628).

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

27147156 is a wasteful number, since it uses less digits than its factorization.

27147156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271 (or 9269 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 27147156 is about 5210.2932738954. The cubic root of 27147156 is about 300.5440350454.

It can be divided in two parts, 2714 and 7156, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 27147156 in words is "twenty-seven million, one hundred forty-seven thousand, one hundred fifty-six".