138971022346 has 16 divisors (see below), whose sum is σ = 236307002400. Its totient is φ = 60764657328.

The previous prime is 138971022313. The next prime is 138971022373. The reversal of 138971022346 is 643220179831.

It is a junction number, because it is equal to n+sod(n) for n = 138971022296 and 138971022305.

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 7 ways as a sum of consecutive naturals, for example, 140658436 + ... + 140659423.

It is an arithmetic number, because the mean of its divisors is an integer number (14769187650).

Almost surely, 2^138971022346 is an apocalyptic number.

138971022346 is a deficient number, since it is larger than the sum of its proper divisors (97335980054).

138971022346 is a wasteful number, since it uses less digits than its factorization.

138971022346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281317893.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 138971022346 in words is "one hundred thirty-eight billion, nine hundred seventy-one million, twenty-two thousand, three hundred forty-six".