27400135 has 8 divisors (see below), whose sum is σ = 37577376. Its totient is φ = 18788640.

The previous prime is 27400133. The next prime is 27400151. The reversal of 27400135 is 53100472.

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

It is not a de Polignac number, because 27400135 - 2¹ = 27400133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27400133) 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, 391396 + ... + 391465.

It is an arithmetic number, because the mean of its divisors is an integer number (4697172).

Almost surely, 2^27400135 is an apocalyptic number.

27400135 is a deficient number, since it is larger than the sum of its proper divisors (10177241).

27400135 is an equidigital number, since it uses as much as digits as its factorization.

27400135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782873.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 27400135 is about 5234.5138265172. The cubic root of 27400135 is about 301.4747202700.

The spelling of 27400135 in words is "twenty-seven million, four hundred thousand, one hundred thirty-five".