27840134 has 12 divisors (see below), whose sum is σ = 48578364. Its totient is φ = 11931444.

The previous prime is 27840119. The next prime is 27840151. The reversal of 27840134 is 43104872.

It is a super-2 number, since 2×27840134² = 1550146122275912, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 27840097 and 27840106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141944 + ... + 142139.

It is an arithmetic number, because the mean of its divisors is an integer number (4048197).

Almost surely, 2^27840134 is an apocalyptic number.

27840134 is a deficient number, since it is larger than the sum of its proper divisors (20738230).

27840134 is a wasteful number, since it uses less digits than its factorization.

27840134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284099 (or 284092 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 27840134 is about 5276.3750814361. The cubic root of 27840134 is about 303.0798803287.

The spelling of 27840134 in words is "twenty-seven million, eight hundred forty thousand, one hundred thirty-four".