138134876 has 24 divisors (see below), whose sum is σ = 264403440. Its totient is φ = 62624000.

The previous prime is 138134869. The next prime is 138134881. The reversal of 138134876 is 678431831.

138134876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13730 + ... + 21558.

It is an arithmetic number, because the mean of its divisors is an integer number (11016810).

Almost surely, 2^138134876 is an apocalyptic number.

It is an amenable number.

138134876 is a deficient number, since it is larger than the sum of its proper divisors (126268564).

138134876 is a wasteful number, since it uses less digits than its factorization.

138134876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245 (or 8243 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 138134876 is about 11753.0794262610. The cubic root of 138134876 is about 516.9332259399.

The spelling of 138134876 in words is "one hundred thirty-eight million, one hundred thirty-four thousand, eight hundred seventy-six".