126845316313 has 8 divisors (see below), whose sum is σ = 126965808648. Its totient is φ = 126724884864.

The previous prime is 126845316289. The next prime is 126845316331. The reversal of 126845316313 is 313613548621.

It can be written as a sum of positive squares in 4 ways, for example, as 2456490969 + 124388825344 = 49563^2 + 352688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126845316313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126845316313.

It is not an unprimeable number, because it can be changed into a prime (126845316713) 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 7 ways as a sum of consecutive naturals, for example, 4866231 + ... + 4892227.

It is an arithmetic number, because the mean of its divisors is an integer number (15870726081).

Almost surely, 2^126845316313 is an apocalyptic number.

It is an amenable number.

126845316313 is a deficient number, since it is larger than the sum of its proper divisors (120492335).

126845316313 is a wasteful number, since it uses less digits than its factorization.

126845316313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30443.

The product of its digits is 311040, while the sum is 43.

The spelling of 126845316313 in words is "one hundred twenty-six billion, eight hundred forty-five million, three hundred sixteen thousand, three hundred thirteen".