27136012147 has 4 divisors (see below), whose sum is σ = 27140163496. Its totient is φ = 27131860800.

The previous prime is 27136012129. The next prime is 27136012177. The reversal of 27136012147 is 74121063172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27136012147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27136012177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2065854 + ... + 2078947.

It is an arithmetic number, because the mean of its divisors is an integer number (6785040874).

Almost surely, 2^27136012147 is an apocalyptic number.

27136012147 is a deficient number, since it is larger than the sum of its proper divisors (4151349).

27136012147 is an equidigital number, since it uses as much as digits as its factorization.

27136012147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151348.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 27136012147 in words is "twenty-seven billion, one hundred thirty-six million, twelve thousand, one hundred forty-seven".