5135440520 has 32 divisors (see below), whose sum is σ = 13205419200. Its totient is φ = 1760722368.

The previous prime is 5135440487. The next prime is 5135440523. The reversal of 5135440520 is 250445315.

It is not an unprimeable number, because it can be changed into a prime (5135440523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9170150 + ... + 9170709.

It is an arithmetic number, because the mean of its divisors is an integer number (412669350).

Almost surely, 2^5135440520 is an apocalyptic number.

It is an amenable number.

5135440520 is an abundant number, since it is smaller than the sum of its proper divisors (8069978680).

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

5135440520 is a wasteful number, since it uses less digits than its factorization.

5135440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18340877 (or 18340873 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5135440520 is about 71661.9879713088. The cubic root of 5135440520 is about 1725.2785961847.

Adding to 5135440520 its reverse (250445315), we get a palindrome (5385885835).

The spelling of 5135440520 in words is "five billion, one hundred thirty-five million, four hundred forty thousand, five hundred twenty".