5136519368 has 12 divisors (see below), whose sum is σ = 9631353915. Its totient is φ = 2568158328.

The previous prime is 5136519361. The next prime is 5136519371. The reversal of 5136519368 is 8639156315.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2568259684 + 2568259684 = 50678^2 + 50678^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=50678.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5136519361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 190043 + ... + 215381.

Almost surely, 2^5136519368 is an apocalyptic number.

It is an amenable number.

5136519368 is a deficient number, since it is larger than the sum of its proper divisors (4494834547).

5136519368 is an frugal number, since it uses more digits than its factorization.

5136519368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50684 (or 25341 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 5136519368 is about 71669.5149139437. The cubic root of 5136519368 is about 1725.3994026361.

The spelling of 5136519368 in words is "five billion, one hundred thirty-six million, five hundred nineteen thousand, three hundred sixty-eight".