138751400275 has 12 divisors (see below), whose sum is σ = 182172427272. Its totient is φ = 104471642240.

The previous prime is 138751400273. The next prime is 138751400287. The reversal of 138751400275 is 572004157831.

It is not a de Polignac number, because 138751400275 - 2¹ = 138751400273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138751400273) 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 11 ways as a sum of consecutive naturals, for example, 163236517 + ... + 163237366.

It is an arithmetic number, because the mean of its divisors is an integer number (15181035606).

Almost surely, 2^138751400275 is an apocalyptic number.

138751400275 is a deficient number, since it is larger than the sum of its proper divisors (43421026997).

138751400275 is a wasteful number, since it uses less digits than its factorization.

138751400275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326473910 (or 326473905 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 138751400275 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, four hundred thousand, two hundred seventy-five".