27135434 has 8 divisors (see below), whose sum is σ = 43097508. Its totient is φ = 12769600.

The previous prime is 27135431. The next prime is 27135443. The reversal of 27135434 is 43453172.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24255625 + 2879809 = 4925^2 + 1697^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27135397 and 27135406.

It is not an unprimeable number, because it can be changed into a prime (27135431) 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 3 ways as a sum of consecutive naturals, for example, 399017 + ... + 399084.

Almost surely, 2^27135434 is an apocalyptic number.

27135434 is a deficient number, since it is larger than the sum of its proper divisors (15962074).

27135434 is a wasteful number, since it uses less digits than its factorization.

27135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798120.

The product of its digits is 10080, while the sum is 29.

The square root of 27135434 is about 5209.1682637442. The cubic root of 27135434 is about 300.5007710369.

The spelling of 27135434 in words is "twenty-seven million, one hundred thirty-five thousand, four hundred thirty-four".