138791595071 has 8 divisors (see below), whose sum is σ = 146809932000. Its totient is φ = 130938584832.

The previous prime is 138791595053. The next prime is 138791595091. The reversal of 138791595071 is 170595197831.

It is a happy number.

138791595071 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 a de Polignac number, because none of the positive numbers 2^k-138791595071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138791594998 and 138791595016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138791595091) 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, 41329946 + ... + 41333303.

It is an arithmetic number, because the mean of its divisors is an integer number (18351241500).

Almost surely, 2^138791595071 is an apocalyptic number.

138791595071 is a deficient number, since it is larger than the sum of its proper divisors (8018336929).

138791595071 is an equidigital number, since it uses as much as digits as its factorization.

138791595071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82663345.

The product of its (nonzero) digits is 2381400, while the sum is 56.

The spelling of 138791595071 in words is "one hundred thirty-eight billion, seven hundred ninety-one million, five hundred ninety-five thousand, seventy-one".