27136729 has 8 divisors (see below), whose sum is σ = 27460160. Its totient is φ = 26815536.

The previous prime is 27136717. The next prime is 27136751. The reversal of 27136729 is 92763172.

27136729 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27136729 - 2¹³ = 27128537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27136789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36964 + ... + 37690.

It is an arithmetic number, because the mean of its divisors is an integer number (3432520).

Almost surely, 2^27136729 is an apocalyptic number.

It is an amenable number.

27136729 is a deficient number, since it is larger than the sum of its proper divisors (323431).

27136729 is a wasteful number, since it uses less digits than its factorization.

27136729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its digits is 31752, while the sum is 37.

The square root of 27136729 is about 5209.2925623351. The cubic root of 27136729 is about 300.5055512848.

The spelling of 27136729 in words is "twenty-seven million, one hundred thirty-six thousand, seven hundred twenty-nine".