38121136 has 40 divisors (see below), whose sum is σ = 76137984. Its totient is φ = 18480960.

The previous prime is 38121121. The next prime is 38121197. The reversal of 38121136 is 63112183.

It is a self number, because there is not a number n which added to its sum of digits gives 38121136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122421 + ... + 122731.

Almost surely, 2^38121136 is an apocalyptic number.

It is an amenable number.

38121136 is a deficient number, since it is larger than the sum of its proper divisors (38016848).

38121136 is a wasteful number, since it uses less digits than its factorization.

38121136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 523 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 38121136 is about 6174.2316121117. The cubic root of 38121136 is about 336.5544040734.

The spelling of 38121136 in words is "thirty-eight million, one hundred twenty-one thousand, one hundred thirty-six".