67813134920 has 64 divisors (see below), whose sum is σ = 153765864000. Its totient is φ = 26914583808.

The previous prime is 67813134919. The next prime is 67813134923. The reversal of 67813134920 is 2943131876.

It is not an unprimeable number, because it can be changed into a prime (67813134923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17284079 + ... + 17288001.

It is an arithmetic number, because the mean of its divisors is an integer number (2402591625).

Almost surely, 2^67813134920 is an apocalyptic number.

It is an amenable number.

67813134920 is an abundant number, since it is smaller than the sum of its proper divisors (85952729080).

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

67813134920 is a wasteful number, since it uses less digits than its factorization.

67813134920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 67813134920 in words is "sixty-seven billion, eight hundred thirteen million, one hundred thirty-four thousand, nine hundred twenty".