135730513 has 2 divisors, whose sum is σ = 135730514. Its totient is φ = 135730512.

The previous prime is 135730423. The next prime is 135730523. The reversal of 135730513 is 315037531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102171664 + 33558849 = 10108^2 + 5793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135730513 is a prime.

It is not a weakly prime, because it can be changed into another prime (135730523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67865256 + 67865257.

It is an arithmetic number, because the mean of its divisors is an integer number (67865257).

Almost surely, 2^135730513 is an apocalyptic number.

It is an amenable number.

135730513 is a deficient number, since it is larger than the sum of its proper divisors (1).

135730513 is an equidigital number, since it uses as much as digits as its factorization.

135730513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 28.

The square root of 135730513 is about 11650.3439005035. The cubic root of 135730513 is about 513.9164234503.

The spelling of 135730513 in words is "one hundred thirty-five million, seven hundred thirty thousand, five hundred thirteen".