138670650819096 has 128 divisors (see below), whose sum is σ = 390588967157760. Its totient is φ = 40645409270400.

The previous prime is 138670650819059. The next prime is 138670650819209. The reversal of 138670650819096 is 690918056076831.

It is a self number, because there is not a number n which added to its sum of digits gives 138670650819096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11997865 + ... + 20525351.

It is an arithmetic number, because the mean of its divisors is an integer number (3051476305920).

Almost surely, 2^{138670650819096} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138670650819096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195294483578880).

138670650819096 is an abundant number, since it is smaller than the sum of its proper divisors (251918316338664).

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

138670650819096 is a wasteful number, since it uses less digits than its factorization.

138670650819096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529525 (or 8529521 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 69.

The spelling of 138670650819096 in words is "one hundred thirty-eight trillion, six hundred seventy billion, six hundred fifty million, eight hundred nineteen thousand, ninety-six".