27138200321 has 8 divisors (see below), whose sum is σ = 27199791744. Its totient is φ = 27076680000.

The previous prime is 27138200267. The next prime is 27138200333. The reversal of 27138200321 is 12300283172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27138200321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27138200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787196 + ... + 820946.

It is an arithmetic number, because the mean of its divisors is an integer number (3399973968).

Almost surely, 2^27138200321 is an apocalyptic number.

It is an amenable number.

27138200321 is a deficient number, since it is larger than the sum of its proper divisors (61591423).

27138200321 is an equidigital number, since it uses as much as digits as its factorization.

27138200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35551.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 27138200321 its reverse (12300283172), we get a palindrome (39438483493).

The spelling of 27138200321 in words is "twenty-seven billion, one hundred thirty-eight million, two hundred thousand, three hundred twenty-one".