634135304242 has 16 divisors (see below), whose sum is σ = 1049335236000. Its totient is φ = 285004630240.

The previous prime is 634135304239. The next prime is 634135304401. The reversal of 634135304242 is 242403531436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161932492 + ... + 161936407.

It is an arithmetic number, because the mean of its divisors is an integer number (65583452250).

Almost surely, 2^634135304242 is an apocalyptic number.

634135304242 is a deficient number, since it is larger than the sum of its proper divisors (415199931758).

634135304242 is a wasteful number, since it uses less digits than its factorization.

634135304242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323869001.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 634135304242 its reverse (242403531436), we get a palindrome (876538835678).

The spelling of 634135304242 in words is "six hundred thirty-four billion, one hundred thirty-five million, three hundred four thousand, two hundred forty-two".