138482225052 has 48 divisors (see below), whose sum is σ = 323566912032. Its totient is φ = 46097694720.

The previous prime is 138482225009. The next prime is 138482225099. The reversal of 138482225052 is 250522284831.

138482225052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 138482224995 and 138482225013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44143228 + ... + 44146364.

It is an arithmetic number, because the mean of its divisors is an integer number (6740977334).

Almost surely, 2^138482225052 is an apocalyptic number.

138482225052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138482225052 is an abundant number, since it is smaller than the sum of its proper divisors (185084686980).

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

138482225052 is a wasteful number, since it uses less digits than its factorization.

138482225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998 (or 6996 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 138482225052 in words is "one hundred thirty-eight billion, four hundred eighty-two million, two hundred twenty-five thousand, fifty-two".