5136510420 has 72 divisors (see below), whose sum is σ = 16258185216. Its totient is φ = 1310181312.

The previous prime is 5136510419. The next prime is 5136510427. The reversal of 5136510420 is 240156315.

5136510420 is a `hidden beast` number, since 5 + 1 + 3 + 651 + 0 + 4 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136510427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616212 + ... + 624491.

It is an arithmetic number, because the mean of its divisors is an integer number (225808128).

Almost surely, 2^5136510420 is an apocalyptic number.

It is an amenable number.

5136510420 is an abundant number, since it is smaller than the sum of its proper divisors (11121674796).

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

5136510420 is a wasteful number, since it uses less digits than its factorization.

5136510420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240741 (or 1240736 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5136510420 is about 71669.4524884905. The cubic root of 5136510420 is about 1725.3984007331.

Adding to 5136510420 its reverse (240156315), we get a palindrome (5376666735).

The spelling of 5136510420 in words is "five billion, one hundred thirty-six million, five hundred ten thousand, four hundred twenty".