6436076136 has 32 divisors (see below), whose sum is σ = 18388789440. Its totient is φ = 1838878848.

The previous prime is 6436076123. The next prime is 6436076137. The reversal of 6436076136 is 6316706346.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6436076137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19154821 + ... + 19155156.

It is an arithmetic number, because the mean of its divisors is an integer number (574649670).

Almost surely, 2^6436076136 is an apocalyptic number.

It is an amenable number.

6436076136 is an abundant number, since it is smaller than the sum of its proper divisors (11952713304).

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

6436076136 is a wasteful number, since it uses less digits than its factorization.

6436076136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38309993 (or 38309989 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 6436076136 is about 80225.1589964146. The cubic root of 6436076136 is about 1860.1175529820.

The spelling of 6436076136 in words is "six billion, four hundred thirty-six million, seventy-six thousand, one hundred thirty-six".