138383863035606 has 36 divisors (see below), whose sum is σ = 311347872945252. Its totient is φ = 46127954340828.

The previous prime is 138383863035557. The next prime is 138383863035611. The reversal of 138383863035606 is 606530368383831.

138383863035606 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 8 + 3 + 8 + 63 + 0 + 3 + 560 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5272958340 + ... + 5272984583.

It is an arithmetic number, because the mean of its divisors is an integer number (8648552026257).

Almost surely, 2^{138383863035606} is an apocalyptic number.

138383863035606 is an abundant number, since it is smaller than the sum of its proper divisors (172964009909646).

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

138383863035606 is an frugal number, since it uses more digits than its factorization.

138383863035606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545942949 (or 10545942928 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 63.

The spelling of 138383863035606 in words is "one hundred thirty-eight trillion, three hundred eighty-three billion, eight hundred sixty-three million, thirty-five thousand, six hundred six".