138930882 has 8 divisors (see below), whose sum is σ = 277861776. Its totient is φ = 46310292.

The previous prime is 138930881. The next prime is 138930887. The reversal of 138930882 is 288039831.

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

138930882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (138930881) 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 3 ways as a sum of consecutive naturals, for example, 11577568 + ... + 11577579.

It is an arithmetic number, because the mean of its divisors is an integer number (34732722).

Almost surely, 2^138930882 is an apocalyptic number.

138930882 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.

138930882 is a wasteful number, since it uses less digits than its factorization.

138930882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23155152.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 138930882 is about 11786.8945019458. The cubic root of 138930882 is about 517.9242720103.

The spelling of 138930882 in words is "one hundred thirty-eight million, nine hundred thirty thousand, eight hundred eighty-two".