27135329 has 16 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 23983680.

The previous prime is 27135259. The next prime is 27135337. The reversal of 27135329 is 92353172.

It is a cyclic number.

It is not a de Polignac number, because 27135329 - 2¹⁶ = 27069793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27135295 and 27135304.

It is not an unprimeable number, because it can be changed into a prime (27135389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62744 + ... + 63174.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^27135329 is an apocalyptic number.

27135329 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27135329 is a deficient number, since it is larger than the sum of its proper divisors (3346591).

27135329 is a wasteful number, since it uses less digits than its factorization.

27135329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 11340, while the sum is 32.

The square root of 27135329 is about 5209.1581853501. The cubic root of 27135329 is about 300.5003834425.

The spelling of 27135329 in words is "twenty-seven million, one hundred thirty-five thousand, three hundred twenty-nine".