6436135436 has 12 divisors (see below), whose sum is σ = 11321597112. Its totient is φ = 3201393408.

The previous prime is 6436135427. The next prime is 6436135439. The reversal of 6436135436 is 6345316346.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6436135393 and 6436135402.

It is not an unprimeable number, because it can be changed into a prime (6436135439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167710 + ... + 4169253.

It is an arithmetic number, because the mean of its divisors is an integer number (943466426).

Almost surely, 2^6436135436 is an apocalyptic number.

It is an amenable number.

6436135436 is a deficient number, since it is larger than the sum of its proper divisors (4885461676).

6436135436 is a wasteful number, since it uses less digits than its factorization.

6436135436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337160 (or 8337158 counting only the distinct ones).

The product of its digits is 466560, while the sum is 41.

The square root of 6436135436 is about 80225.5285803715. The cubic root of 6436135436 is about 1860.1232658123.

The spelling of 6436135436 in words is "six billion, four hundred thirty-six million, one hundred thirty-five thousand, four hundred thirty-six".