27140129 has 4 divisors (see below), whose sum is σ = 27873684. Its totient is φ = 26406576.

The previous prime is 27140117. The next prime is 27140137. The reversal of 27140129 is 92104172.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13249600 + 13890529 = 3640^2 + 3727^2 .

It is a cyclic number.

It is not a de Polignac number, because 27140129 - 2⁸ = 27139873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27140098 and 27140107.

It is not an unprimeable number, because it can be changed into a prime (27140149) 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, 366722 + ... + 366795.

It is an arithmetic number, because the mean of its divisors is an integer number (6968421).

Almost surely, 2^27140129 is an apocalyptic number.

It is an amenable number.

27140129 is a deficient number, since it is larger than the sum of its proper divisors (733555).

27140129 is an equidigital number, since it uses as much as digits as its factorization.

27140129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733554.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 27140129 is about 5209.6188920112. The cubic root of 27140129 is about 300.5181010190.

The spelling of 27140129 in words is "twenty-seven million, one hundred forty thousand, one hundred twenty-nine".