126132202231639 has 2 divisors, whose sum is σ = 126132202231640. Its totient is φ = 126132202231638.

The previous prime is 126132202231613. The next prime is 126132202231759. The reversal of 126132202231639 is 936132202231621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126132202231639 - 2³³ = 126123612297047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126132202231595 and 126132202231604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126132202231339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63066101115819 + 63066101115820.

It is an arithmetic number, because the mean of its divisors is an integer number (63066101115820).

Almost surely, 2^{126132202231639} is an apocalyptic number.

126132202231639 is a deficient number, since it is larger than the sum of its proper divisors (1).

126132202231639 is an equidigital number, since it uses as much as digits as its factorization.

126132202231639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 126132202231639 in words is "one hundred twenty-six trillion, one hundred thirty-two billion, two hundred two million, two hundred thirty-one thousand, six hundred thirty-nine".