5323531136 has 128 divisors (see below), whose sum is σ = 13329653760. Its totient is φ = 2057287680.

The previous prime is 5323531121. The next prime is 5323531139. The reversal of 5323531136 is 6311353235.

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

It is a super-2 number, since 2×5323531136² = 56679967511922900992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5323531139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249586 + ... + 1253838.

It is an arithmetic number, because the mean of its divisors is an integer number (104137920).

Almost surely, 2^5323531136 is an apocalyptic number.

5323531136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5323531136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6664826880).

5323531136 is an abundant number, since it is smaller than the sum of its proper divisors (8006122624).

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

5323531136 is a wasteful number, since it uses less digits than its factorization.

5323531136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412 (or 4400 counting only the distinct ones).

The product of its digits is 24300, while the sum is 32.

The square root of 5323531136 is about 72962.5324121908. The cubic root of 5323531136 is about 1746.0898970372.

The spelling of 5323531136 in words is "five billion, three hundred twenty-three million, five hundred thirty-one thousand, one hundred thirty-six".