126840353068 has 48 divisors (see below), whose sum is σ = 267137125920. Its totient is φ = 51921676800.

The previous prime is 126840353053. The next prime is 126840353069. The reversal of 126840353068 is 860353048621.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (126840353069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680803 + ... + 2727706.

It is an arithmetic number, because the mean of its divisors is an integer number (5565356790).

Almost surely, 2^126840353068 is an apocalyptic number.

It is an amenable number.

126840353068 is an abundant number, since it is smaller than the sum of its proper divisors (140296772852).

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

126840353068 is a wasteful number, since it uses less digits than its factorization.

126840353068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408578 (or 5408576 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 126840353068 in words is "one hundred twenty-six billion, eight hundred forty million, three hundred fifty-three thousand, sixty-eight".