634435231024134 has 64 divisors (see below), whose sum is σ = 1412095334146560. Its totient is φ = 211142568780000.

The previous prime is 634435231024109. The next prime is 634435231024157. The reversal of 634435231024134 is 431420132534436.

634435231024134 is a `hidden beast` number, since 6 + 3 + 4 + 4 + 3 + 523 + 102 + 4 + 13 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 634435231024134.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 478029559 + ... + 479354909.

It is an arithmetic number, because the mean of its divisors is an integer number (22063989596040).

Almost surely, 2^{634435231024134} is an apocalyptic number.

634435231024134 is an abundant number, since it is smaller than the sum of its proper divisors (777660103122426).

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

634435231024134 is a wasteful number, since it uses less digits than its factorization.

634435231024134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339434 (or 1339428 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 634435231024134 in words is "six hundred thirty-four trillion, four hundred thirty-five billion, two hundred thirty-one million, twenty-four thousand, one hundred thirty-four".