38128113 has 12 divisors (see below), whose sum is σ = 55129360. Its totient is φ = 25393176.

The previous prime is 38128099. The next prime is 38128133. The reversal of 38128113 is 31182183.

38128113 is a `hidden beast` number, since 381 + 281 + 1 + 3 = 666.

38128113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38128113 - 2²⁴ = 21350897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38128133) 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, 12870 + ... + 15552.

Almost surely, 2^38128113 is an apocalyptic number.

It is an amenable number.

38128113 is a deficient number, since it is larger than the sum of its proper divisors (17001247).

38128113 is a wasteful number, since it uses less digits than its factorization.

38128113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268 (or 4265 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 38128113 is about 6174.7965958402. The cubic root of 38128113 is about 336.5749350883.

The spelling of 38128113 in words is "thirty-eight million, one hundred twenty-eight thousand, one hundred thirteen".