126856113384 has 256 divisors, whose sum is σ = 428929966080. Its totient is φ = 30192261120.

The previous prime is 126856113337. The next prime is 126856113401. The reversal of 126856113384 is 483311658621.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3272017 + ... + 3310559.

It is an arithmetic number, because the mean of its divisors is an integer number (1675507680).

Almost surely, 2^126856113384 is an apocalyptic number.

126856113384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126856113384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214464983040).

126856113384 is an abundant number, since it is smaller than the sum of its proper divisors (302073852696).

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

126856113384 is a wasteful number, since it uses less digits than its factorization.

126856113384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38720 (or 38716 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 126856113384 in words is "one hundred twenty-six billion, eight hundred fifty-six million, one hundred thirteen thousand, three hundred eighty-four".