138751400276 has 24 divisors (see below), whose sum is σ = 252265988520. Its totient is φ = 66695939072.

The previous prime is 138751400273. The next prime is 138751400287. The reversal of 138751400276 is 672004157831.

It can be written as a sum of positive squares in 4 ways, for example, as 44152095376 + 94599304900 = 210124^2 + 307570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138751400273) 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, 2539781 + ... + 2593836.

It is an arithmetic number, because the mean of its divisors is an integer number (10511082855).

Almost surely, 2^138751400276 is an apocalyptic number.

It is an amenable number.

138751400276 is a deficient number, since it is larger than the sum of its proper divisors (113514588244).

138751400276 is a wasteful number, since it uses less digits than its factorization.

138751400276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133883 (or 5133881 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 138751400276 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, four hundred thousand, two hundred seventy-six".