5215212136 has 16 divisors (see below), whose sum is σ = 10017023940. Its totient is φ = 2544005760.

The previous prime is 5215212127. The next prime is 5215212139. The reversal of 5215212136 is 6312125125.

It can be written as a sum of positive squares in 2 ways, for example, as 4814972100 + 400240036 = 69390^2 + 20006^2 .

It is not an unprimeable number, because it can be changed into a prime (5215212139) 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 3 ways as a sum of consecutive naturals, for example, 7949691 + ... + 7950346.

Almost surely, 2^5215212136 is an apocalyptic number.

It is an amenable number.

5215212136 is a deficient number, since it is larger than the sum of its proper divisors (4801811804).

5215212136 is a wasteful number, since it uses less digits than its factorization.

5215212136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900084 (or 15900080 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 5215212136 is about 72216.4256661876. The cubic root of 5215212136 is about 1734.1659694260.

The spelling of 5215212136 in words is "five billion, two hundred fifteen million, two hundred twelve thousand, one hundred thirty-six".