38139814 has 8 divisors (see below), whose sum is σ = 59182560. Its totient is φ = 18412296.

The previous prime is 38139809. The next prime is 38139833. The reversal of 38139814 is 41893183.

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

It is a congruent 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, 328734 + ... + 328849.

It is an arithmetic number, because the mean of its divisors is an integer number (7397820).

Almost surely, 2^38139814 is an apocalyptic number.

38139814 is a deficient number, since it is larger than the sum of its proper divisors (21042746).

38139814 is a wasteful number, since it uses less digits than its factorization.

38139814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657614.

The product of its digits is 20736, while the sum is 37.

The square root of 38139814 is about 6175.7440037618. The cubic root of 38139814 is about 336.6093616589.

The spelling of 38139814 in words is "thirty-eight million, one hundred thirty-nine thousand, eight hundred fourteen".