138582332 has 12 divisors (see below), whose sum is σ = 277164720. Its totient is φ = 59392416.

The previous prime is 138582319. The next prime is 138582373. The reversal of 138582332 is 233285831.

138582332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 138582292 and 138582301.

It is a congruent number.

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, 2474657 + ... + 2474712.

It is an arithmetic number, because the mean of its divisors is an integer number (23097060).

Almost surely, 2^138582332 is an apocalyptic number.

It is an amenable number.

138582332 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.

138582332 is a wasteful number, since it uses less digits than its factorization.

138582332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949380 (or 4949378 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 138582332 is about 11772.0997277461. The cubic root of 138582332 is about 517.4907862409.

The spelling of 138582332 in words is "one hundred thirty-eight million, five hundred eighty-two thousand, three hundred thirty-two".