126838940696 has 64 divisors (see below), whose sum is σ = 269899197120. Its totient is φ = 55441267200.

The previous prime is 126838940653. The next prime is 126838940713. The reversal of 126838940696 is 696049838621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20915 + ... + 504098.

It is an arithmetic number, because the mean of its divisors is an integer number (4217174955).

Almost surely, 2^126838940696 is an apocalyptic number.

It is an amenable number.

126838940696 is an abundant number, since it is smaller than the sum of its proper divisors (143060256424).

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

126838940696 is a wasteful number, since it uses less digits than its factorization.

126838940696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525156 (or 525152 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 126838940696 in words is "one hundred twenty-six billion, eight hundred thirty-eight million, nine hundred forty thousand, six hundred ninety-six".