138316773982 has 8 divisors (see below), whose sum is σ = 207481739976. Its totient is φ = 69156193992.

The previous prime is 138316773899. The next prime is 138316773997. The reversal of 138316773982 is 289377613831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016493 + ... + 1144504.

It is an arithmetic number, because the mean of its divisors is an integer number (25935217497).

Almost surely, 2^138316773982 is an apocalyptic number.

138316773982 is a deficient number, since it is larger than the sum of its proper divisors (69164965994).

138316773982 is a wasteful number, since it uses less digits than its factorization.

138316773982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193002.

The product of its digits is 9144576, while the sum is 58.

The spelling of 138316773982 in words is "one hundred thirty-eight billion, three hundred sixteen million, seven hundred seventy-three thousand, nine hundred eighty-two".