6136215205 has 16 divisors (see below), whose sum is σ = 7766478720. Its totient is φ = 4641323328.

The previous prime is 6136215199. The next prime is 6136215209. The reversal of 6136215205 is 5025126316.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6136215205 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6136215209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16422 + ... + 111991.

It is an arithmetic number, because the mean of its divisors is an integer number (485404920).

Almost surely, 2^6136215205 is an apocalyptic number.

It is an amenable number.

6136215205 is a deficient number, since it is larger than the sum of its proper divisors (1630263515).

6136215205 is a wasteful number, since it uses less digits than its factorization.

6136215205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128940.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6136215205 is about 78333.9977595935. The cubic root of 6136215205 is about 1830.7689050907.

Subtracting from 6136215205 its reverse (5025126316), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 61362 and 15205, that added together give a palindrome (76567).

The spelling of 6136215205 in words is "six billion, one hundred thirty-six million, two hundred fifteen thousand, two hundred five".