138975916583 has 8 divisors (see below), whose sum is σ = 159244320768. Its totient is φ = 118811187864.

The previous prime is 138975916579. The next prime is 138975916603. The reversal of 138975916583 is 385619579831.

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 138975916583 - 2² = 138975916579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138975910583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25915991 + ... + 25921352.

It is an arithmetic number, because the mean of its divisors is an integer number (19905540096).

Almost surely, 2^138975916583 is an apocalyptic number.

138975916583 is a deficient number, since it is larger than the sum of its proper divisors (20268404185).

138975916583 is an equidigital number, since it uses as much as digits as its factorization.

138975916583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51837733.

The product of its digits is 48988800, while the sum is 65.

The spelling of 138975916583 in words is "one hundred thirty-eight billion, nine hundred seventy-five million, nine hundred sixteen thousand, five hundred eighty-three".