126552376133 has 2 divisors, whose sum is σ = 126552376134. Its totient is φ = 126552376132.

The previous prime is 126552376127. The next prime is 126552376147. The reversal of 126552376133 is 331673255621.

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., 71354162884 + 55198213249 = 267122^2 + 234943^2 .

It is an emirp because it is prime and its reverse (331673255621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126552376133 - 2¹⁴ = 126552359749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126552316133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63276188066 + 63276188067.

It is an arithmetic number, because the mean of its divisors is an integer number (63276188067).

Almost surely, 2^126552376133 is an apocalyptic number.

It is an amenable number.

126552376133 is a deficient number, since it is larger than the sum of its proper divisors (1).

126552376133 is an equidigital number, since it uses as much as digits as its factorization.

126552376133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 44.

The spelling of 126552376133 in words is "one hundred twenty-six billion, five hundred fifty-two million, three hundred seventy-six thousand, one hundred thirty-three".