138014690228 has 12 divisors (see below), whose sum is σ = 241771417440. Its totient is φ = 68937142392.

The previous prime is 138014690113. The next prime is 138014690251. The reversal of 138014690228 is 822096410831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17546258 + ... + 17554121.

It is an arithmetic number, because the mean of its divisors is an integer number (20147618120).

Almost surely, 2^138014690228 is an apocalyptic number.

It is an amenable number.

138014690228 is a deficient number, since it is larger than the sum of its proper divisors (103756727212).

138014690228 is a wasteful number, since it uses less digits than its factorization.

138014690228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35101366 (or 35101364 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 138014690228 in words is "one hundred thirty-eight billion, fourteen million, six hundred ninety thousand, two hundred twenty-eight".