5185728132 has 48 divisors (see below), whose sum is σ = 13039478592. Its totient is φ = 1594546560.

The previous prime is 5185728113. The next prime is 5185728133. The reversal of 5185728132 is 2318275815.

It is not an unprimeable number, because it can be changed into a prime (5185728133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242623 + ... + 263129.

It is an arithmetic number, because the mean of its divisors is an integer number (271655804).

Almost surely, 2^5185728132 is an apocalyptic number.

5185728132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5185728132 is an abundant number, since it is smaller than the sum of its proper divisors (7853750460).

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

5185728132 is a wasteful number, since it uses less digits than its factorization.

5185728132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22148 (or 22146 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 5185728132 is about 72011.9999166806. Note that the first 4 decimals coincide. The cubic root of 5185728132 is about 1730.8917776352.

The spelling of 5185728132 in words is "five billion, one hundred eighty-five million, seven hundred twenty-eight thousand, one hundred thirty-two".