138283122 has 8 divisors (see below), whose sum is σ = 276566256. Its totient is φ = 46094372.

The previous prime is 138283111. The next prime is 138283147. The reversal of 138283122 is 221382831.

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

138283122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 138283122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11523588 + ... + 11523599.

It is an arithmetic number, because the mean of its divisors is an integer number (34570782).

Almost surely, 2^138283122 is an apocalyptic number.

138283122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138283122 is a wasteful number, since it uses less digits than its factorization.

138283122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23047192.

The product of its digits is 4608, while the sum is 30.

The square root of 138283122 is about 11759.3844226643. The cubic root of 138283122 is about 517.1180836368.

The spelling of 138283122 in words is "one hundred thirty-eight million, two hundred eighty-three thousand, one hundred twenty-two".