135780196060529 has 2 divisors, whose sum is σ = 135780196060530. Its totient is φ = 135780196060528.

The previous prime is 135780196060507. The next prime is 135780196060549. The reversal of 135780196060529 is 925060691087531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76855028890000 + 58925167170529 = 8766700^2 + 7676273^2 .

It is a cyclic number.

It is not a de Polignac number, because 135780196060529 - 2⁸ = 135780196060273 is a prime.

It is not a weakly prime, because it can be changed into another prime (135780196060549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67890098030264 + 67890098030265.

It is an arithmetic number, because the mean of its divisors is an integer number (67890098030265).

Almost surely, 2^{135780196060529} is an apocalyptic number.

It is an amenable number.

135780196060529 is a deficient number, since it is larger than the sum of its proper divisors (1).

135780196060529 is an equidigital number, since it uses as much as digits as its factorization.

135780196060529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 135780196060529 in words is "one hundred thirty-five trillion, seven hundred eighty billion, one hundred ninety-six million, sixty thousand, five hundred twenty-nine".