126136419313 has 2 divisors, whose sum is σ = 126136419314. Its totient is φ = 126136419312.

The previous prime is 126136419301. The next prime is 126136419319. The reversal of 126136419313 is 313914631621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65123467249 + 61012952064 = 255193^2 + 247008^2 .

It is a cyclic number.

It is not a de Polignac number, because 126136419313 - 2⁹ = 126136418801 is a prime.

It is not a weakly prime, because it can be changed into another prime (126136419319) 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 as a sum of consecutive naturals, namely, 63068209656 + 63068209657.

It is an arithmetic number, because the mean of its divisors is an integer number (63068209657).

Almost surely, 2^126136419313 is an apocalyptic number.

It is an amenable number.

126136419313 is a deficient number, since it is larger than the sum of its proper divisors (1).

126136419313 is an equidigital number, since it uses as much as digits as its factorization.

126136419313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The spelling of 126136419313 in words is "one hundred twenty-six billion, one hundred thirty-six million, four hundred nineteen thousand, three hundred thirteen".