5131035540 has 288 divisors, whose sum is σ = 17322439680. Its totient is φ = 1223405568.

The previous prime is 5131035527. The next prime is 5131035563. The reversal of 5131035540 is 455301315.

5131035540 is a `hidden beast` number, since 5 + 1 + 3 + 103 + 554 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5945149 + ... + 5946011.

It is an arithmetic number, because the mean of its divisors is an integer number (60147360).

Almost surely, 2^5131035540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131035540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8661219840).

5131035540 is an abundant number, since it is smaller than the sum of its proper divisors (12191404140).

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

5131035540 is a wasteful number, since it uses less digits than its factorization.

5131035540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5131035540 is about 71631.2469527091. The cubic root of 5131035540 is about 1724.7851629106.

Adding to 5131035540 its reverse (455301315), we get a palindrome (5586336855).

The spelling of 5131035540 in words is "five billion, one hundred thirty-one million, thirty-five thousand, five hundred forty".