4009136 has 20 divisors (see below), whose sum is σ = 7832832. Its totient is φ = 1987776.

The previous prime is 4009097. The next prime is 4009139. The reversal of 4009136 is 6319004.

4009136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4009139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 3018.

Almost surely, 2^4009136 is an apocalyptic number.

It is an amenable number.

4009136 is a deficient number, since it is larger than the sum of its proper divisors (3823696).

4009136 is a wasteful number, since it uses less digits than its factorization.

4009136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 4009136 is about 2002.2826973232. The cubic root of 4009136 is about 158.8608674365.

The spelling of 4009136 in words is "four million, nine thousand, one hundred thirty-six".