5135453568 has 256 divisors, whose sum is σ = 18342374400. Its totient is φ = 1380851712.

The previous prime is 5135453563. The next prime is 5135453581. The reversal of 5135453568 is 8653545315.

5135453568 is a `hidden beast` number, since 5 + 1 + 3 + 54 + 535 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5135453563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405021 + ... + 417507.

It is an arithmetic number, because the mean of its divisors is an integer number (71649900).

Almost surely, 2^5135453568 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 5135453568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9171187200).

5135453568 is an abundant number, since it is smaller than the sum of its proper divisors (13206920832).

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

5135453568 is a wasteful number, since it uses less digits than its factorization.

5135453568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534 (or 12516 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 5135453568 is about 71662.0790097524. The cubic root of 5135453568 is about 1725.2800573652.

The spelling of 5135453568 in words is "five billion, one hundred thirty-five million, four hundred fifty-three thousand, five hundred sixty-eight".