138222069272 has 16 divisors (see below), whose sum is σ = 296190148560. Its totient is φ = 59238029664.

The previous prime is 138222069259. The next prime is 138222069281. The reversal of 138222069272 is 272960222831.

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, 1234125563 + ... + 1234125674.

It is an arithmetic number, because the mean of its divisors is an integer number (18511884285).

Almost surely, 2^138222069272 is an apocalyptic number.

It is an amenable number.

138222069272 is an abundant number, since it is smaller than the sum of its proper divisors (157968079288).

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

138222069272 is a wasteful number, since it uses less digits than its factorization.

138222069272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468251250 (or 2468251246 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 138222069272 in words is "one hundred thirty-eight billion, two hundred twenty-two million, sixty-nine thousand, two hundred seventy-two".