134638880636 has 48 divisors (see below), whose sum is σ = 254767887360. Its totient is φ = 61890417600.

The previous prime is 134638880599. The next prime is 134638880641. The reversal of 134638880636 is 636088836431.

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, 14092061 + ... + 14101611.

It is an arithmetic number, because the mean of its divisors is an integer number (5307664320).

Almost surely, 2^134638880636 is an apocalyptic number.

It is an amenable number.

134638880636 is a deficient number, since it is larger than the sum of its proper divisors (120129006724).

134638880636 is a wasteful number, since it uses less digits than its factorization.

134638880636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634 (or 10632 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 134638880636 in words is "one hundred thirty-four billion, six hundred thirty-eight million, eight hundred eighty thousand, six hundred thirty-six".