138296282 has 4 divisors (see below), whose sum is σ = 207444426. Its totient is φ = 69148140.

The previous prime is 138296227. The next prime is 138296297. The reversal of 138296282 is 282692831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 282692831 = 53 ⋅5333827.

It can be written as a sum of positive squares in only one way, i.e., 138274081 + 22201 = 11759^2 + 149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34574069 + ... + 34574072.

Almost surely, 2^138296282 is an apocalyptic number.

138296282 is a deficient number, since it is larger than the sum of its proper divisors (69148144).

138296282 is an equidigital number, since it uses as much as digits as its factorization.

138296282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69148143.

The product of its digits is 82944, while the sum is 41.

The square root of 138296282 is about 11759.9439624515. The cubic root of 138296282 is about 517.1344873213.

The spelling of 138296282 in words is "one hundred thirty-eight million, two hundred ninety-six thousand, two hundred eighty-two".