4135520 has 24 divisors (see below), whose sum is σ = 9770544. Its totient is φ = 1654144.

The previous prime is 4135519. The next prime is 4135529. The reversal of 4135520 is 255314.

4135520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4135492 and 4135501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135529) 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, 12764 + ... + 13083.

It is an arithmetic number, because the mean of its divisors is an integer number (407106).

Almost surely, 2^4135520 is an apocalyptic number.

4135520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4135520 is an abundant number, since it is smaller than the sum of its proper divisors (5635024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4135520 is a wasteful number, since it uses less digits than its factorization.

4135520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25862 (or 25854 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4135520 is about 2033.5977970090. The cubic root of 4135520 is about 160.5129371727.

The spelling of 4135520 in words is "four million, one hundred thirty-five thousand, five hundred twenty".