27133139444 has 12 divisors (see below), whose sum is σ = 47654414724. Its totient is φ = 13517592384.

The previous prime is 27133139437. The next prime is 27133139513. The reversal of 27133139444 is 44493133172.

It can be written as a sum of positive squares in 2 ways, for example, as 9838259344 + 17294880100 = 99188^2 + 131510^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12243089 + ... + 12245304.

It is an arithmetic number, because the mean of its divisors is an integer number (3971201227).

Almost surely, 2^27133139444 is an apocalyptic number.

It is an amenable number.

27133139444 is a deficient number, since it is larger than the sum of its proper divisors (20521275280).

27133139444 is a wasteful number, since it uses less digits than its factorization.

27133139444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24488674 (or 24488672 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The spelling of 27133139444 in words is "twenty-seven billion, one hundred thirty-three million, one hundred thirty-nine thousand, four hundred forty-four".