138861285322 has 8 divisors (see below), whose sum is σ = 210801469536. Its totient is φ = 68594128812.

The previous prime is 138861285289. The next prime is 138861285341. The reversal of 138861285322 is 223582168831.

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

It is a super-2 number, since 2×138861285322² (a number of 23 digits) contains 22 as substring.

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, 418256718 + ... + 418257049.

It is an arithmetic number, because the mean of its divisors is an integer number (26350183692).

Almost surely, 2^138861285322 is an apocalyptic number.

138861285322 is a deficient number, since it is larger than the sum of its proper divisors (71940184214).

138861285322 is an equidigital number, since it uses as much as digits as its factorization.

138861285322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836513852.

The product of its digits is 1105920, while the sum is 49.

The spelling of 138861285322 in words is "one hundred thirty-eight billion, eight hundred sixty-one million, two hundred eighty-five thousand, three hundred twenty-two".