138183282 has 12 divisors (see below), whose sum is σ = 299397150. Its totient is φ = 46061088.

The previous prime is 138183277. The next prime is 138183301. The reversal of 138183282 is 282381831.

It can be written as a sum of positive squares in only one way, i.e., 119443041 + 18740241 = 10929^2 + 4329^2 .

It is a super-3 number, since 3×138183282³ (a number of 25 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 3838407 + ... + 3838442.

Almost surely, 2^138183282 is an apocalyptic number.

138183282 is an abundant number, since it is smaller than the sum of its proper divisors (161213868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138183282 is a wasteful number, since it uses less digits than its factorization.

138183282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676857 (or 7676854 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 138183282 is about 11755.1385359765. The cubic root of 138183282 is about 516.9936011040.

The spelling of 138183282 in words is "one hundred thirty-eight million, one hundred eighty-three thousand, two hundred eighty-two".