133925257777 has 2 divisors, whose sum is σ = 133925257778. Its totient is φ = 133925257776.

The previous prime is 133925257759. The next prime is 133925257783. The reversal of 133925257777 is 777752529331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78868858896 + 55056398881 = 280836^2 + 234641^2 .

It is a cyclic number.

It is not a de Polignac number, because 133925257777 - 2²³ = 133916869169 is a prime.

It is not a weakly prime, because it can be changed into another prime (133925257747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66962628888 + 66962628889.

It is an arithmetic number, because the mean of its divisors is an integer number (66962628889).

Almost surely, 2^133925257777 is an apocalyptic number.

It is an amenable number.

133925257777 is a deficient number, since it is larger than the sum of its proper divisors (1).

133925257777 is an equidigital number, since it uses as much as digits as its factorization.

133925257777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19448100, while the sum is 58.

The spelling of 133925257777 in words is "one hundred thirty-three billion, nine hundred twenty-five million, two hundred fifty-seven thousand, seven hundred seventy-seven".