126133331633 has 2 divisors, whose sum is σ = 126133331634. Its totient is φ = 126133331632.

The previous prime is 126133331617. The next prime is 126133331693. The reversal of 126133331633 is 336133331621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70792180624 + 55341151009 = 266068^2 + 235247^2 .

It is a cyclic number.

It is not a de Polignac number, because 126133331633 - 2⁴ = 126133331617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126133331593 and 126133331602.

It is not a weakly prime, because it can be changed into another prime (126133331693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63066665816 + 63066665817.

It is an arithmetic number, because the mean of its divisors is an integer number (63066665817).

Almost surely, 2^126133331633 is an apocalyptic number.

It is an amenable number.

126133331633 is a deficient number, since it is larger than the sum of its proper divisors (1).

126133331633 is an equidigital number, since it uses as much as digits as its factorization.

126133331633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 35.

The spelling of 126133331633 in words is "one hundred twenty-six billion, one hundred thirty-three million, three hundred thirty-one thousand, six hundred thirty-three".