138544895060 has 48 divisors (see below), whose sum is σ = 341808671232. Its totient is φ = 46504579200.

The previous prime is 138544895059. The next prime is 138544895149. The reversal of 138544895060 is 60598445831.

It is a junction number, because it is equal to n+sod(n) for n = 138544894993 and 138544895011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24218276 + ... + 24223995.

It is an arithmetic number, because the mean of its divisors is an integer number (7121013984).

Almost surely, 2^138544895060 is an apocalyptic number.

138544895060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138544895060 is an abundant number, since it is smaller than the sum of its proper divisors (203263776172).

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

138544895060 is a wasteful number, since it uses less digits than its factorization.

138544895060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48442304 (or 48442302 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 138544895060 in words is "one hundred thirty-eight billion, five hundred forty-four million, eight hundred ninety-five thousand, sixty".