5263135920 has 320 divisors, whose sum is σ = 20788669440. Its totient is φ = 1198927872.

The previous prime is 5263135883. The next prime is 5263135979. The reversal of 5263135920 is 295313625.

5263135920 is a `hidden beast` number, since 5 + 2 + 63 + 1 + 3 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8875144 + ... + 8875736.

It is an arithmetic number, because the mean of its divisors is an integer number (64964592).

Almost surely, 2^5263135920 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 5263135920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10394334720).

5263135920 is an abundant number, since it is smaller than the sum of its proper divisors (15525533520).

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

5263135920 is a wasteful number, since it uses less digits than its factorization.

5263135920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 5263135920 is about 72547.4735604211. The cubic root of 5263135920 is about 1739.4616646160.

The spelling of 5263135920 in words is "five billion, two hundred sixty-three million, one hundred thirty-five thousand, nine hundred twenty".