636113342 has 4 divisors (see below), whose sum is σ = 954170016. Its totient is φ = 318056670.

The previous prime is 636113341. The next prime is 636113351. The reversal of 636113342 is 243311636.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636113341) 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 as a sum of consecutive naturals, namely, 159028334 + ... + 159028337.

It is an arithmetic number, because the mean of its divisors is an integer number (238542504).

Almost surely, 2^636113342 is an apocalyptic number.

636113342 is a deficient number, since it is larger than the sum of its proper divisors (318056674).

636113342 is a wasteful number, since it uses less digits than its factorization.

636113342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318056673.

The product of its digits is 7776, while the sum is 29.

The square root of 636113342 is about 25221.2874770500. The cubic root of 636113342 is about 860.0258429227.

Adding to 636113342 its reverse (243311636), we get a palindrome (879424978).

The spelling of 636113342 in words is "six hundred thirty-six million, one hundred thirteen thousand, three hundred forty-two".