134638844186 has 48 divisors (see below), whose sum is σ = 258639907680. Its totient is φ = 51975393120.

The previous prime is 134638844141. The next prime is 134638844227. The reversal of 134638844186 is 681448836431.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455420 + ... + 690423.

It is an arithmetic number, because the mean of its divisors is an integer number (5388331410).

Almost surely, 2^134638844186 is an apocalyptic number.

134638844186 is a deficient number, since it is larger than the sum of its proper divisors (124001063494).

134638844186 is a wasteful number, since it uses less digits than its factorization.

134638844186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145979 (or 1145972 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 56.

The spelling of 134638844186 in words is "one hundred thirty-four billion, six hundred thirty-eight million, eight hundred forty-four thousand, one hundred eighty-six".