138732882 has 8 divisors (see below), whose sum is σ = 277465776. Its totient is φ = 46244292.

The previous prime is 138732859. The next prime is 138732899. The reversal of 138732882 is 288237831.

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

138732882 is an admirable 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, 11561068 + ... + 11561079.

It is an arithmetic number, because the mean of its divisors is an integer number (34683222).

Almost surely, 2^138732882 is an apocalyptic number.

138732882 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.

138732882 is a wasteful number, since it uses less digits than its factorization.

138732882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23122152.

The product of its digits is 129024, while the sum is 42.

The square root of 138732882 is about 11778.4923483441. The cubic root of 138732882 is about 517.6781118105.

The spelling of 138732882 in words is "one hundred thirty-eight million, seven hundred thirty-two thousand, eight hundred eighty-two".