5135862636 has 18 divisors (see below), whose sum is σ = 12982319532. Its totient is φ = 1711954200.

The previous prime is 5135862607. The next prime is 5135862637. The reversal of 5135862636 is 6362685315.

5135862636 is a `hidden beast` number, since 5 + 1 + 3 + 5 + 8 + 6 + 2 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5135862591 and 5135862600.

It is not an unprimeable number, because it can be changed into a prime (5135862637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71331390 + ... + 71331461.

It is an arithmetic number, because the mean of its divisors is an integer number (721239974).

Almost surely, 2^5135862636 is an apocalyptic number.

It is an amenable number.

5135862636 is an abundant number, since it is smaller than the sum of its proper divisors (7846456896).

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

5135862636 is a wasteful number, since it uses less digits than its factorization.

5135862636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142662861 (or 142662856 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 5135862636 is about 71664.9330984129. The cubic root of 5135862636 is about 1725.3258655958.

The spelling of 5135862636 in words is "five billion, one hundred thirty-five million, eight hundred sixty-two thousand, six hundred thirty-six".