138384365 has 8 divisors (see below), whose sum is σ = 189784320. Its totient is φ = 94892112.

The previous prime is 138384361. The next prime is 138384377. The reversal of 138384365 is 563483831.

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

It is not a de Polignac number, because 138384365 - 2² = 138384361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138384361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976885 + ... + 1976954.

It is an arithmetic number, because the mean of its divisors is an integer number (23723040).

Almost surely, 2^138384365 is an apocalyptic number.

It is an amenable number.

138384365 is a deficient number, since it is larger than the sum of its proper divisors (51399955).

138384365 is an equidigital number, since it uses as much as digits as its factorization.

138384365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953851.

The product of its digits is 207360, while the sum is 41.

The square root of 138384365 is about 11763.6884096783. The cubic root of 138384365 is about 517.2442542872.

The spelling of 138384365 in words is "one hundred thirty-eight million, three hundred eighty-four thousand, three hundred sixty-five".