4002505135 has 16 divisors (see below), whose sum is σ = 5059496160. Its totient is φ = 3031257600.

The previous prime is 4002505127. The next prime is 4002505141. The reversal of 4002505135 is 5315052004.

It is not a de Polignac number, because 4002505135 - 2³ = 4002505127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121435 + ... + 150835.

It is an arithmetic number, because the mean of its divisors is an integer number (316218510).

Almost surely, 2^4002505135 is an apocalyptic number.

4002505135 is a deficient number, since it is larger than the sum of its proper divisors (1056991025).

4002505135 is a wasteful number, since it uses less digits than its factorization.

4002505135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30858.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 4002505135 is about 63265.3549345928. The cubic root of 4002505135 is about 1587.7323706392.

Adding to 4002505135 its reverse (5315052004), we get a palindrome (9317557139).

The spelling of 4002505135 in words is "four billion, two million, five hundred five thousand, one hundred thirty-five".