138122283 has 16 divisors (see below), whose sum is σ = 198574880. Its totient is φ = 84893184.

The previous prime is 138122197. The next prime is 138122323. The reversal of 138122283 is 382221831.

It is not a de Polignac number, because 138122283 - 2⁸ = 138122027 is a prime.

It is a super-2 number, since 2×138122283² = 38155530122264178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138122283.

It is not an unprimeable number, because it can be changed into a prime (138122783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40035 + ... + 43347.

It is an arithmetic number, because the mean of its divisors is an integer number (12410930).

Almost surely, 2^138122283 is an apocalyptic number.

138122283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

138122283 is a deficient number, since it is larger than the sum of its proper divisors (60452597).

138122283 is a wasteful number, since it uses less digits than its factorization.

138122283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398.

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

The square root of 138122283 is about 11752.5436821141. The cubic root of 138122283 is about 516.9175168056.

The spelling of 138122283 in words is "one hundred thirty-eight million, one hundred twenty-two thousand, two hundred eighty-three".