138848322 has 32 divisors (see below), whose sum is σ = 285231744. Its totient is φ = 45043200.

The previous prime is 138848291. The next prime is 138848323. The reversal of 138848322 is 223848831.

It is not an unprimeable number, because it can be changed into a prime (138848323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33547 + ... + 37457.

It is an arithmetic number, because the mean of its divisors is an integer number (8913492).

Almost surely, 2^138848322 is an apocalyptic number.

138848322 is an abundant number, since it is smaller than the sum of its proper divisors (146383422).

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

138848322 is a wasteful number, since it uses less digits than its factorization.

138848322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074.

The product of its digits is 73728, while the sum is 39.

The square root of 138848322 is about 11783.3917867480. The cubic root of 138848322 is about 517.8216591136.

The spelling of 138848322 in words is "one hundred thirty-eight million, eight hundred forty-eight thousand, three hundred twenty-two".