27131359 has 4 divisors (see below), whose sum is σ = 27273600. Its totient is φ = 26989120.

The previous prime is 27131339. The next prime is 27131369. The reversal of 27131359 is 95313172.

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

It is a cyclic number.

It is not a de Polignac number, because 27131359 - 2⁹ = 27130847 is a prime.

It is a super-2 number, since 2×27131359² = 1472221282373762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27131359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27131309) 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, 70834 + ... + 71215.

It is an arithmetic number, because the mean of its divisors is an integer number (6818400).

Almost surely, 2^27131359 is an apocalyptic number.

27131359 is a deficient number, since it is larger than the sum of its proper divisors (142241).

27131359 is a wasteful number, since it uses less digits than its factorization.

27131359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142240.

The product of its digits is 5670, while the sum is 31.

The square root of 27131359 is about 5208.7771117605. Note that the first 3 decimals coincide. The cubic root of 27131359 is about 300.4857279516.

The spelling of 27131359 in words is "twenty-seven million, one hundred thirty-one thousand, three hundred fifty-nine".