138883670387308 has 96 divisors (see below), whose sum is σ = 306201626196480. Its totient is φ = 53542394357760.

The previous prime is 138883670387303. The next prime is 138883670387339. The reversal of 138883670387308 is 803783076388831.

It is not an unprimeable number, because it can be changed into a prime (138883670387303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156016783 + ... + 156904441.

It is an arithmetic number, because the mean of its divisors is an integer number (3189600272880).

Almost surely, 2^{138883670387308} 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 138883670387308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153100813098240).

138883670387308 is an abundant number, since it is smaller than the sum of its proper divisors (167317955809172).

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

138883670387308 is a wasteful number, since it uses less digits than its factorization.

138883670387308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893015 (or 893013 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 73.

The spelling of 138883670387308 in words is "one hundred thirty-eight trillion, eight hundred eighty-three billion, six hundred seventy million, three hundred eighty-seven thousand, three hundred eight".