138582364 has 18 divisors (see below), whose sum is σ = 244635944. Its totient is φ = 68688600.

The previous prime is 138582319. The next prime is 138582373. The reversal of 138582364 is 463285831.

138582364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138582364² = 38410143223656992, which contains 22 as substring.

It is a congruent number.

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, 289077 + ... + 289555.

Almost surely, 2^138582364 is an apocalyptic number.

It is an amenable number.

138582364 is a deficient number, since it is larger than the sum of its proper divisors (106053580).

138582364 is an equidigital number, since it uses as much as digits as its factorization.

138582364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 632 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 138582364 is about 11772.1010868918. The cubic root of 138582364 is about 517.4908260721.

The spelling of 138582364 in words is "one hundred thirty-eight million, five hundred eighty-two thousand, three hundred sixty-four".