27135402 has 32 divisors (see below), whose sum is σ = 62956032. Its totient is φ = 7636464.

The previous prime is 27135397. The next prime is 27135421. The reversal of 27135402 is 20453172.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2008 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (1967376).

Almost surely, 2^27135402 is an apocalyptic number.

27135402 is an abundant number, since it is smaller than the sum of its proper divisors (35820630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27135402 is a wasteful number, since it uses less digits than its factorization.

27135402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27135402 is about 5209.1651922357. The cubic root of 27135402 is about 300.5006529130.

Adding to 27135402 its reverse (20453172), we get a palindrome (47588574).

The spelling of 27135402 in words is "twenty-seven million, one hundred thirty-five thousand, four hundred two".