138586382 has 32 divisors (see below), whose sum is σ = 231897600. Its totient is φ = 62102040.

The previous prime is 138586381. The next prime is 138586403. The reversal of 138586382 is 283685831.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138586381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209969 + ... + 210627.

It is an arithmetic number, because the mean of its divisors is an integer number (7246800).

Almost surely, 2^138586382 is an apocalyptic number.

138586382 is a deficient number, since it is larger than the sum of its proper divisors (93311218).

138586382 is an equidigital number, since it uses as much as digits as its factorization.

138586382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 751 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 138586382 is about 11772.2717433807. The cubic root of 138586382 is about 517.4958273291.

The spelling of 138586382 in words is "one hundred thirty-eight million, five hundred eighty-six thousand, three hundred eighty-two".