4040135 has 32 divisors (see below), whose sum is σ = 5832000. Its totient is φ = 2652160.

The previous prime is 4040129. The next prime is 4040159. The reversal of 4040135 is 5310404.

It is not a de Polignac number, because 4040135 - 2⁴ = 4040119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27041 + ... + 27189.

It is an arithmetic number, because the mean of its divisors is an integer number (182250).

Almost surely, 2^4040135 is an apocalyptic number.

4040135 is a deficient number, since it is larger than the sum of its proper divisors (1791865).

4040135 is a wasteful number, since it uses less digits than its factorization.

4040135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4040135 is about 2010.0087064488. The cubic root of 4040135 is about 159.2692588350.

Adding to 4040135 its reverse (5310404), we get a palindrome (9350539).

The spelling of 4040135 in words is "four million, forty thousand, one hundred thirty-five".