138782 has 16 divisors (see below), whose sum is σ = 248832. Its totient is φ = 56760.

The previous prime is 138763. The next prime is 138793. The reversal of 138782 is 287831.

138782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 107 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2¹³⁸⁷⁸² is an apocalyptic number.

138782 is a deficient number, since it is larger than the sum of its proper divisors (110050).

138782 is a wasteful number, since it uses less digits than its factorization.

138782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 2688, while the sum is 29.

The square root of 138782 is about 372.5345621550. The cubic root of 138782 is about 51.7739198778.

It can be divided in two parts, 1 and 38782, that added together give a palindrome (38783).

The spelling of 138782 in words is "one hundred thirty-eight thousand, seven hundred eighty-two".