134138895928 has 32 divisors (see below), whose sum is σ = 252726318000. Its totient is φ = 66745523968.

The previous prime is 134138895883. The next prime is 134138895941. The reversal of 134138895928 is 829598831431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614475 + ... + 3651397.

Almost surely, 2^134138895928 is an apocalyptic number.

It is an amenable number.

134138895928 is a deficient number, since it is larger than the sum of its proper divisors (118587422072).

134138895928 is a wasteful number, since it uses less digits than its factorization.

134138895928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39111 (or 39107 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 61.

The spelling of 134138895928 in words is "one hundred thirty-four billion, one hundred thirty-eight million, eight hundred ninety-five thousand, nine hundred twenty-eight".