138004384747 has 8 divisors (see below), whose sum is σ = 139496550480. Its totient is φ = 136514685600.

The previous prime is 138004384729. The next prime is 138004384751. The reversal of 138004384747 is 747483400831.

It is a happy number.

138004384747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138004384747 - 2⁷ = 138004384619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138004384747.

It is not an unprimeable number, because it can be changed into a prime (138004384717) 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 7 ways as a sum of consecutive naturals, for example, 504033 + ... + 728050.

It is an arithmetic number, because the mean of its divisors is an integer number (17437068810).

Almost surely, 2^138004384747 is an apocalyptic number.

138004384747 is a deficient number, since it is larger than the sum of its proper divisors (1492165733).

138004384747 is a wasteful number, since it uses less digits than its factorization.

138004384747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233293.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 138004384747 in words is "one hundred thirty-eight billion, four million, three hundred eighty-four thousand, seven hundred forty-seven".