138381471470 has 32 divisors (see below), whose sum is σ = 271812226176. Its totient is φ = 50305472800.

The previous prime is 138381471463. The next prime is 138381471497. The reversal of 138381471470 is 74174183831.

138381471470 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 15 ways as a sum of consecutive naturals, for example, 184217 + ... + 557403.

It is an arithmetic number, because the mean of its divisors is an integer number (8494132068).

Almost surely, 2^138381471470 is an apocalyptic number.

138381471470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138381471470 is a deficient number, since it is larger than the sum of its proper divisors (133430754706).

138381471470 is a wasteful number, since it uses less digits than its factorization.

138381471470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376576.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 138381471470 in words is "one hundred thirty-eight billion, three hundred eighty-one million, four hundred seventy-one thousand, four hundred seventy".