27134576605 has 8 divisors (see below), whose sum is σ = 34476873912. Its totient is φ = 20430739968.

The previous prime is 27134576593. The next prime is 27134576657. The reversal of 27134576605 is 50667543172.

It can be written as a sum of positive squares in 4 ways, for example, as 10741871449 + 16392705156 = 103643^2 + 128034^2 .

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 27134576605 - 2⁹ = 27134576093 is a prime.

It is a super-2 number, since 2×27134576605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159615072 + ... + 159615241.

It is an arithmetic number, because the mean of its divisors is an integer number (4309609239).

Almost surely, 2^27134576605 is an apocalyptic number.

It is an amenable number.

27134576605 is a deficient number, since it is larger than the sum of its proper divisors (7342297307).

27134576605 is a wasteful number, since it uses less digits than its factorization.

27134576605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319230335.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 27134576605 in words is "twenty-seven billion, one hundred thirty-four million, five hundred seventy-six thousand, six hundred five".