138701670113 has 4 divisors (see below), whose sum is σ = 143175917568. Its totient is φ = 134227422660.

The previous prime is 138701670053. The next prime is 138701670139. The reversal of 138701670113 is 311076107831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 138701670113 - 2⁸ = 138701669857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138701670143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237123681 + ... + 2237123742.

It is an arithmetic number, because the mean of its divisors is an integer number (35793979392).

Almost surely, 2^138701670113 is an apocalyptic number.

It is an amenable number.

138701670113 is a deficient number, since it is larger than the sum of its proper divisors (4474247455).

138701670113 is an equidigital number, since it uses as much as digits as its factorization.

138701670113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474247454.

The product of its (nonzero) digits is 21168, while the sum is 38.

Adding to 138701670113 its reverse (311076107831), we get a palindrome (449777777944).

The spelling of 138701670113 in words is "one hundred thirty-eight billion, seven hundred one million, six hundred seventy thousand, one hundred thirteen".