138814990899327 has 12 divisors (see below), whose sum is σ = 203257262170144. Its totient is φ = 91275610453920.

The previous prime is 138814990899313. The next prime is 138814990899329. The reversal of 138814990899327 is 723998099418831.

138814990899327 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 1 + 499 + 0 + 8 + 99 + 32 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-138814990899327 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 (138814990899329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105643066999 + ... + 105643068312.

Almost surely, 2^{138814990899327} is an apocalyptic number.

138814990899327 is a deficient number, since it is larger than the sum of its proper divisors (64442271270817).

138814990899327 is a wasteful number, since it uses less digits than its factorization.

138814990899327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211286135390 (or 211286135387 counting only the distinct ones).

The product of its (nonzero) digits is 1693052928, while the sum is 81.

The spelling of 138814990899327 in words is "one hundred thirty-eight trillion, eight hundred fourteen billion, nine hundred ninety million, eight hundred ninety-nine thousand, three hundred twenty-seven".