38719138 has 8 divisors (see below), whose sum is σ = 58383360. Its totient is φ = 19258020.

The previous prime is 38719103. The next prime is 38719139. The reversal of 38719138 is 83191783.

38719138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38719138.

It is not an unprimeable number, because it can be changed into a prime (38719139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50298 + ... + 51061.

It is an arithmetic number, because the mean of its divisors is an integer number (7297920).

Almost surely, 2^38719138 is an apocalyptic number.

38719138 is a deficient number, since it is larger than the sum of its proper divisors (19664222).

38719138 is a wasteful number, since it uses less digits than its factorization.

38719138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101552.

The product of its digits is 36288, while the sum is 40.

The square root of 38719138 is about 6222.4704097328. The cubic root of 38719138 is about 338.3051117931.

The spelling of 38719138 in words is "thirty-eight million, seven hundred nineteen thousand, one hundred thirty-eight".