138138041122 has 16 divisors (see below), whose sum is σ = 207939517632. Its totient is φ = 68824993680.

The previous prime is 138138041113. The next prime is 138138041137. The reversal of 138138041122 is 221140831831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336547 + ... + 2394937.

It is an arithmetic number, because the mean of its divisors is an integer number (12996219852).

Almost surely, 2^138138041122 is an apocalyptic number.

138138041122 is a deficient number, since it is larger than the sum of its proper divisors (69801476510).

138138041122 is a wasteful number, since it uses less digits than its factorization.

138138041122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62553.

The product of its (nonzero) digits is 9216, while the sum is 34.

Adding to 138138041122 its reverse (221140831831), we get a palindrome (359278872953).

The spelling of 138138041122 in words is "one hundred thirty-eight billion, one hundred thirty-eight million, forty-one thousand, one hundred twenty-two".