138177822548 has 12 divisors (see below), whose sum is σ = 241834018272. Its totient is φ = 69082388760.

The previous prime is 138177822539. The next prime is 138177822551. The reversal of 138177822548 is 845228771831.

It is a super-3 number, since 3×138177822548³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 138177822493 and 138177822502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582808 + ... + 1667823.

It is an arithmetic number, because the mean of its divisors is an integer number (20152834856).

Almost surely, 2^138177822548 is an apocalyptic number.

It is an amenable number.

138177822548 is a deficient number, since it is larger than the sum of its proper divisors (103656195724).

138177822548 is a wasteful number, since it uses less digits than its factorization.

138177822548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261262 (or 3261260 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 56.

The spelling of 138177822548 in words is "one hundred thirty-eight billion, one hundred seventy-seven million, eight hundred twenty-two thousand, five hundred forty-eight".