138115482 has 8 divisors (see below), whose sum is σ = 276230976. Its totient is φ = 46038492.

The previous prime is 138115477. The next prime is 138115499. The reversal of 138115482 is 284511831.

It is a sphenic number, since it is the product of 3 distinct primes.

138115482 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11509618 + ... + 11509629.

It is an arithmetic number, because the mean of its divisors is an integer number (34528872).

Almost surely, 2^138115482 is an apocalyptic number.

138115482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138115482 is a wasteful number, since it uses less digits than its factorization.

138115482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23019252.

The product of its digits is 7680, while the sum is 33.

The square root of 138115482 is about 11752.2543369347. The cubic root of 138115482 is about 516.9090325030.

The spelling of 138115482 in words is "one hundred thirty-eight million, one hundred fifteen thousand, four hundred eighty-two".