138432207572 has 24 divisors (see below), whose sum is σ = 246376210080. Its totient is φ = 68040372960.

The previous prime is 138432207541. The next prime is 138432207643. The reversal of 138432207572 is 275702234831.

138432207572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 236579 + ... + 576917.

It is an arithmetic number, because the mean of its divisors is an integer number (10265675420).

Almost surely, 2^138432207572 is an apocalyptic number.

It is an amenable number.

138432207572 is a deficient number, since it is larger than the sum of its proper divisors (107944002508).

138432207572 is a wasteful number, since it uses less digits than its factorization.

138432207572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342071 (or 342069 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 138432207572 in words is "one hundred thirty-eight billion, four hundred thirty-two million, two hundred seven thousand, five hundred seventy-two".