138837031416536 has 16 divisors (see below), whose sum is σ = 260319559109400. Its totient is φ = 69418482320704.

The previous prime is 138837031416529. The next prime is 138837031416673. The reversal of 138837031416536 is 635614130738831.

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 3 ways as a sum of consecutive naturals, for example, 29166980 + ... + 33591468.

Almost surely, 2^{138837031416536} is an apocalyptic number.

It is an amenable number.

138837031416536 is a deficient number, since it is larger than the sum of its proper divisors (121482527692864).

138837031416536 is a wasteful number, since it uses less digits than its factorization.

138837031416536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346898 (or 8346894 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 138837031416536 in words is "one hundred thirty-eight trillion, eight hundred thirty-seven billion, thirty-one million, four hundred sixteen thousand, five hundred thirty-six".