38365138 has 24 divisors (see below), whose sum is σ = 67954032. Its totient is φ = 16194024.

The previous prime is 38365133. The next prime is 38365139. The reversal of 38365138 is 83156383.

38365138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38365097 and 38365106.

It is not an unprimeable number, because it can be changed into a prime (38365133) 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 11 ways as a sum of consecutive naturals, for example, 3645 + ... + 9487.

It is an arithmetic number, because the mean of its divisors is an integer number (2831418).

Almost surely, 2^38365138 is an apocalyptic number.

38365138 is a deficient number, since it is larger than the sum of its proper divisors (29588894).

38365138 is a wasteful number, since it uses less digits than its factorization.

38365138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926 (or 5919 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 38365138 is about 6193.9597996758. The cubic root of 38365138 is about 337.2709388559.

It can be divided in two parts, 38365 and 138, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 38365138 in words is "thirty-eight million, three hundred sixty-five thousand, one hundred thirty-eight".