636055132 has 12 divisors (see below), whose sum is σ = 1128344896. Its totient is φ = 313670880.

The previous prime is 636055127. The next prime is 636055139. The reversal of 636055132 is 231550636.

It is a super-4 number, since 4×636055132⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 636055094 and 636055103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636055139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088844 + ... + 1089427.

Almost surely, 2^636055132 is an apocalyptic number.

It is an amenable number.

636055132 is a deficient number, since it is larger than the sum of its proper divisors (492289764).

636055132 is a wasteful number, since it uses less digits than its factorization.

636055132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178348 (or 2178346 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 636055132 is about 25220.1334651504. The cubic root of 636055132 is about 859.9996087974. Note that the first 3 decimals are identical.

The spelling of 636055132 in words is "six hundred thirty-six million, fifty-five thousand, one hundred thirty-two".