38665136 has 20 divisors (see below), whose sum is σ = 75213192. Its totient is φ = 19255296.

The previous prime is 38665129. The next prime is 38665141. The reversal of 38665136 is 63156683.

38665136 = T₄₁₅ + T₄₁₆ + ... + T₆₇₁.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38665136.

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, 590 + ... + 8813.

Almost surely, 2^38665136 is an apocalyptic number.

It is an amenable number.

38665136 is a deficient number, since it is larger than the sum of its proper divisors (36548056).

38665136 is a wasteful number, since it uses less digits than its factorization.

38665136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668 (or 9662 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 38665136 is about 6218.1296223221. The cubic root of 38665136 is about 338.1477593522.

The spelling of 38665136 in words is "thirty-eight million, six hundred sixty-five thousand, one hundred thirty-six".