138484468776 has 32 divisors (see below), whose sum is σ = 348937251840. Its totient is φ = 45798012288.

The previous prime is 138484468739. The next prime is 138484468783. The reversal of 138484468776 is 677864484831.

138484468776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22714221 + ... + 22720316.

It is an arithmetic number, because the mean of its divisors is an integer number (10904289120).

Almost surely, 2^138484468776 is an apocalyptic number.

It is an amenable number.

138484468776 is an abundant number, since it is smaller than the sum of its proper divisors (210452783064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138484468776 is a wasteful number, since it uses less digits than its factorization.

138484468776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45434673 (or 45434669 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 66.

The spelling of 138484468776 in words is "one hundred thirty-eight billion, four hundred eighty-four million, four hundred sixty-eight thousand, seven hundred seventy-six".