312789868134 has 32 divisors (see below), whose sum is σ = 642653361504. Its totient is φ = 101432094720.

The previous prime is 312789868129. The next prime is 312789868267. The reversal of 312789868134 is 431868987213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714159 + ... + 1887834.

It is an arithmetic number, because the mean of its divisors is an integer number (20082917547).

Almost surely, 2^312789868134 is an apocalyptic number.

312789868134 is an abundant number, since it is smaller than the sum of its proper divisors (329863493370).

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

312789868134 is a wasteful number, since it uses less digits than its factorization.

312789868134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602392.

The product of its digits is 13934592, while the sum is 60.

The spelling of 312789868134 in words is "three hundred twelve billion, seven hundred eighty-nine million, eight hundred sixty-eight thousand, one hundred thirty-four".