138080812641 has 16 divisors (see below), whose sum is σ = 184525064448. Its totient is φ = 91845306000.

The previous prime is 138080812589. The next prime is 138080812643. The reversal of 138080812641 is 146218080831.

It is not a de Polignac number, because 138080812641 - 2³⁵ = 103721074273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138080812593 and 138080812602.

It is not an unprimeable number, because it can be changed into a prime (138080812643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8928966 + ... + 8944416.

It is an arithmetic number, because the mean of its divisors is an integer number (11532816528).

Almost surely, 2^138080812641 is an apocalyptic number.

It is an amenable number.

138080812641 is a deficient number, since it is larger than the sum of its proper divisors (46444251807).

138080812641 is a wasteful number, since it uses less digits than its factorization.

138080812641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 138080812641 in words is "one hundred thirty-eight billion, eighty million, eight hundred twelve thousand, six hundred forty-one".