138958403548 has 12 divisors (see below), whose sum is σ = 243911882872. Its totient is φ = 69269294160.

The previous prime is 138958403543. The next prime is 138958403599. The reversal of 138958403548 is 845304859831.

138958403548 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 = 138958403492 and 138958403501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138958403543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52475415 + ... + 52478062.

Almost surely, 2^138958403548 is an apocalyptic number.

It is an amenable number.

138958403548 is a deficient number, since it is larger than the sum of its proper divisors (104953479324).

138958403548 is a wasteful number, since it uses less digits than its factorization.

138958403548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104953812 (or 104953810 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 138958403548 in words is "one hundred thirty-eight billion, nine hundred fifty-eight million, four hundred three thousand, five hundred forty-eight".