138542484709100 has 72 divisors (see below), whose sum is σ = 313713417618720. Its totient is φ = 53006707156480.

The previous prime is 138542484709091. The next prime is 138542484709157. The reversal of 138542484709100 is 1907484245831.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153209894 + ... + 154111506.

It is an arithmetic number, because the mean of its divisors is an integer number (4357130800260).

Almost surely, 2^{138542484709100} is an apocalyptic number.

138542484709100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138542484709100 is an abundant number, since it is smaller than the sum of its proper divisors (175170932909620).

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

138542484709100 is a wasteful number, since it uses less digits than its factorization.

138542484709100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968459 (or 968452 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 138542484709100 in words is "one hundred thirty-eight trillion, five hundred forty-two billion, four hundred eighty-four million, seven hundred nine thousand, one hundred".