138338032086532 has 12 divisors (see below), whose sum is σ = 243345916547356. Its totient is φ = 68810627358720.

The previous prime is 138338032086521. The next prime is 138338032086577. The reversal of 138338032086532 is 235680230833831.

It can be written as a sum of positive squares in 2 ways, for example, as 60512747652036 + 77825284434496 = 7778994^2 + 8821864^2 .

It is a super-2 number, since 2×138338032086532² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89597170269 + ... + 89597171812.

Almost surely, 2^{138338032086532} is an apocalyptic number.

It is an amenable number.

138338032086532 is a deficient number, since it is larger than the sum of its proper divisors (105007884460824).

138338032086532 is a wasteful number, since it uses less digits than its factorization.

138338032086532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179194342278 (or 179194342276 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 138338032086532 in words is "one hundred thirty-eight trillion, three hundred thirty-eight billion, thirty-two million, eighty-six thousand, five hundred thirty-two".