138004176 has 40 divisors (see below), whose sum is σ = 358593120. Its totient is φ = 45732736.

The previous prime is 138004159. The next prime is 138004259. The reversal of 138004176 is 671400831.

It is a happy number.

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, 6 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (8964828).

Almost surely, 2^138004176 is an apocalyptic number.

138004176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138004176 is an abundant number, since it is smaller than the sum of its proper divisors (220588944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138004176 is a wasteful number, since it uses less digits than its factorization.

138004176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803 (or 16797 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 138004176 is about 11747.5178654897. The cubic root of 138004176 is about 516.7701377691.

The spelling of 138004176 in words is "one hundred thirty-eight million, four thousand, one hundred seventy-six".