138003178107 has 8 divisors (see below), whose sum is σ = 184037300560. Its totient is φ = 91985587200.

The previous prime is 138003178067. The next prime is 138003178139. The reversal of 138003178107 is 701871300831.

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

It is not a de Polignac number, because 138003178107 - 2¹⁰ = 138003177083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138003178177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113394 + ... + 4146807.

It is an arithmetic number, because the mean of its divisors is an integer number (23004662570).

Almost surely, 2^138003178107 is an apocalyptic number.

138003178107 is a deficient number, since it is larger than the sum of its proper divisors (46034122453).

138003178107 is an equidigital number, since it uses as much as digits as its factorization.

138003178107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265773.

The product of its (nonzero) digits is 28224, while the sum is 39.

Adding to 138003178107 its reverse (701871300831), we get a palindrome (839874478938).

The spelling of 138003178107 in words is "one hundred thirty-eight billion, three million, one hundred seventy-eight thousand, one hundred seven".