138716534244 has 48 divisors (see below), whose sum is σ = 342775552896. Its totient is φ = 43510771200.

The previous prime is 138716534233. The next prime is 138716534269. The reversal of 138716534244 is 442435617831.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138716534193 and 138716534202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079754 + ... + 1201374.

It is an arithmetic number, because the mean of its divisors is an integer number (7141157352).

Almost surely, 2^138716534244 is an apocalyptic number.

It is an amenable number.

138716534244 is an abundant number, since it is smaller than the sum of its proper divisors (204059018652).

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

138716534244 is a wasteful number, since it uses less digits than its factorization.

138716534244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127236 (or 127234 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 138716534244 in words is "one hundred thirty-eight billion, seven hundred sixteen million, five hundred thirty-four thousand, two hundred forty-four".