5136615305 has 4 divisors (see below), whose sum is σ = 6163938372. Its totient is φ = 4109292240.

The previous prime is 5136615301. The next prime is 5136615311. The reversal of 5136615305 is 5035166315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1877575561 + 3259039744 = 43331^2 + 57088^2 .

It is not a de Polignac number, because 5136615305 - 2² = 5136615301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5136615301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513661526 + ... + 513661535.

It is an arithmetic number, because the mean of its divisors is an integer number (1540984593).

Almost surely, 2^5136615305 is an apocalyptic number.

It is an amenable number.

5136615305 is a deficient number, since it is larger than the sum of its proper divisors (1027323067).

5136615305 is a wasteful number, since it uses less digits than its factorization.

5136615305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027323066.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 5136615305 is about 71670.1842121255. The cubic root of 5136615305 is about 1725.4101445803.

The spelling of 5136615305 in words is "five billion, one hundred thirty-six million, six hundred fifteen thousand, three hundred five".