4004145135 has 24 divisors (see below), whose sum is σ = 6942861744. Its totient is φ = 2134823040.

The previous prime is 4004145127. The next prime is 4004145149. The reversal of 4004145135 is 5315414004.

It is a happy number.

It is not a de Polignac number, because 4004145135 - 2³ = 4004145127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4004145099 and 4004145108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136539 + ... + 163251.

It is an arithmetic number, because the mean of its divisors is an integer number (289285906).

Almost surely, 2^4004145135 is an apocalyptic number.

4004145135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4004145135 is a deficient number, since it is larger than the sum of its proper divisors (2938716609).

4004145135 is a wasteful number, since it uses less digits than its factorization.

4004145135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055 (or 30052 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4004145135 is about 63278.3148874873. The cubic root of 4004145135 is about 1587.9491953061.

Adding to 4004145135 its reverse (5315414004), we get a palindrome (9319559139).

The spelling of 4004145135 in words is "four billion, four million, one hundred forty-five thousand, one hundred thirty-five".