126668134936 has 32 divisors (see below), whose sum is σ = 285717600000. Its totient is φ = 51429167136.

The previous prime is 126668134913. The next prime is 126668134949. The reversal of 126668134936 is 639431866621.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 59523436 + ... + 59525563.

It is an arithmetic number, because the mean of its divisors is an integer number (8928675000).

Almost surely, 2^126668134936 is an apocalyptic number.

It is an amenable number.

126668134936 is an abundant number, since it is smaller than the sum of its proper divisors (159049465064).

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

126668134936 is a wasteful number, since it uses less digits than its factorization.

126668134936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119049031 (or 119049027 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 126668134936 in words is "one hundred twenty-six billion, six hundred sixty-eight million, one hundred thirty-four thousand, nine hundred thirty-six".