4000135 has 8 divisors (see below), whose sum is σ = 4816656. Its totient is φ = 3189120.

The previous prime is 4000133. The next prime is 4000153. The reversal of 4000135 is 5310004.

4000135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000135 - 2¹ = 4000133 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000133) 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 7 ways as a sum of consecutive naturals, for example, 447 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (602082).

Almost surely, 2^4000135 is an apocalyptic number.

4000135 is a deficient number, since it is larger than the sum of its proper divisors (816521).

4000135 is a wasteful number, since it uses less digits than its factorization.

4000135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 4000135 is about 2000.0337497152. The cubic root of 4000135 is about 158.7418910029.

Adding to 4000135 its reverse (5310004), we get a palindrome (9310139).

The spelling of 4000135 in words is "four million, one hundred thirty-five", and thus it is an aban number.