138346282 has 8 divisors (see below), whose sum is σ = 207749952. Its totient is φ = 69096300.

The previous prime is 138346279. The next prime is 138346303. The reversal of 138346282 is 282643831.

138346282 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36144 + ... + 39787.

It is an arithmetic number, because the mean of its divisors is an integer number (25968744).

Almost surely, 2^138346282 is an apocalyptic number.

138346282 is a deficient number, since it is larger than the sum of its proper divisors (69403670).

138346282 is an equidigital number, since it uses as much as digits as its factorization.

138346282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76844.

The product of its digits is 55296, while the sum is 37.

The square root of 138346282 is about 11762.0696308090. The cubic root of 138346282 is about 517.1968018644.

The spelling of 138346282 in words is "one hundred thirty-eight million, three hundred forty-six thousand, two hundred eighty-two".