4809131136 has 128 divisors (see below), whose sum is σ = 14282366400. Its totient is φ = 1593022464.

The previous prime is 4809131113. The next prime is 4809131147. The reversal of 4809131136 is 6311319084.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×4809131136³ (a number of 30 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4809131136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559060 + ... + 567596.

Almost surely, 2^4809131136 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 4809131136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7141183200).

4809131136 is an abundant number, since it is smaller than the sum of its proper divisors (9473235264).

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

4809131136 is a wasteful number, since it uses less digits than its factorization.

4809131136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8723 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4809131136 is about 69347.8992904616. The cubic root of 4809131136 is about 1687.9343055975.

The spelling of 4809131136 in words is "four billion, eight hundred nine million, one hundred thirty-one thousand, one hundred thirty-six".