138932282 has 32 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 64488688.

The previous prime is 138932273. The next prime is 138932291. The reversal of 138932282 is 282239831.

It is an interprime number because it is at equal distance from previous prime (138932273) and next prime (138932291).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 386819 + ... + 387177.

It is an arithmetic number, because the mean of its divisors is an integer number (6998400).

Almost surely, 2^138932282 is an apocalyptic number.

138932282 is a deficient number, since it is larger than the sum of its proper divisors (85016518).

138932282 is a wasteful number, since it uses less digits than its factorization.

138932282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 41472, while the sum is 38.

The square root of 138932282 is about 11786.9538897885. The cubic root of 138932282 is about 517.9260117040.

The spelling of 138932282 in words is "one hundred thirty-eight million, nine hundred thirty-two thousand, two hundred eighty-two".