27939702134 has 32 divisors (see below), whose sum is σ = 45330278400. Its totient is φ = 12877603200.

The previous prime is 27939702121. The next prime is 27939702151. The reversal of 27939702134 is 43120793972.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303017 + ... + 384315.

It is an arithmetic number, because the mean of its divisors is an integer number (1416571200).

Almost surely, 2^27939702134 is an apocalyptic number.

27939702134 is a deficient number, since it is larger than the sum of its proper divisors (17390576266).

27939702134 is a wasteful number, since it uses less digits than its factorization.

27939702134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81596.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 27939702134 in words is "twenty-seven billion, nine hundred thirty-nine million, seven hundred two thousand, one hundred thirty-four".