138882682 has 16 divisors (see below), whose sum is σ = 221335560. Its totient is φ = 65233728.

The previous prime is 138882659. The next prime is 138882691. The reversal of 138882682 is 286288831.

It is a happy number.

138882682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 128391561 + 10491121 = 11331^2 + 3239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30213 + ... + 34504.

Almost surely, 2^138882682 is an apocalyptic number.

138882682 is a deficient number, since it is larger than the sum of its proper divisors (82452878).

138882682 is a wasteful number, since it uses less digits than its factorization.

138882682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64785.

The product of its digits is 294912, while the sum is 46.

The square root of 138882682 is about 11784.8496808402. The cubic root of 138882682 is about 517.8643697120.

The spelling of 138882682 in words is "one hundred thirty-eight million, eight hundred eighty-two thousand, six hundred eighty-two".