138582922 has 8 divisors (see below), whose sum is σ = 218815200. Its totient is φ = 65644524.

The previous prime is 138582907. The next prime is 138582923. The reversal of 138582922 is 229285831.

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

It is not an unprimeable number, because it can be changed into a prime (138582923) by changing a digit.

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, 1823422 + ... + 1823497.

It is an arithmetic number, because the mean of its divisors is an integer number (27351900).

Almost surely, 2^138582922 is an apocalyptic number.

138582922 is a deficient number, since it is larger than the sum of its proper divisors (80232278).

138582922 is a wasteful number, since it uses less digits than its factorization.

138582922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646940.

The product of its digits is 69120, while the sum is 40.

The square root of 138582922 is about 11772.1247869703. The cubic root of 138582922 is about 517.4915206278.

The spelling of 138582922 in words is "one hundred thirty-eight million, five hundred eighty-two thousand, nine hundred twenty-two".