134217727 has 8 divisors (see below), whose sum is σ = 155493536. Its totient is φ = 113467392.

The previous prime is 134217689. The next prime is 134217757. The reversal of 134217727 is 727712431.

134217727 is nontrivially palindromic in base 2 and base 8.

It is a Cunningham number, because it is equal to 2²⁷-1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134217727 is a prime.

It is a Duffinian number.

134217727 is a nontrivial repdigit in base 2 and base 8.

It is a plaindrome in base 2, base 4, base 8 and base 16.

It is a nialpdrome in base 2 and base 8.

It is a zygodrome in base 2 and base 8.

It is a junction number, because it is equal to n+sod(n) for n = 134217692 and 134217701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134217757) by changing a digit.

Being equal to 8×8⁸-1, it is a generalized Woodall number.

It is a nontrivial repunit in base 2.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130818 + ... + 131839.

It is an arithmetic number, because the mean of its divisors is an integer number (19436692).

Almost surely, 2^134217727 is an apocalyptic number.

134217727 is a deficient number, since it is larger than the sum of its proper divisors (21275809).

134217727 is an equidigital number, since it uses as much as digits as its factorization.

134217727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262737.

The product of its digits is 16464, while the sum is 34.

The square root of 134217727 is about 11585.2374598020. The cubic root of 134217727 is about 511.9999987284. Note that the first 5 decimals are identical.

The spelling of 134217727 in words is "one hundred thirty-four million, two hundred seventeen thousand, seven hundred twenty-seven".