135424513215361 has 2 divisors, whose sum is σ = 135424513215362. Its totient is φ = 135424513215360.

The previous prime is 135424513215269. The next prime is 135424513215401. The reversal of 135424513215361 is 163512315424531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113104416123136 + 22320097092225 = 10635056^2 + 4724415^2 .

It is a cyclic number.

It is not a de Polignac number, because 135424513215361 - 2⁹ = 135424513214849 is a prime.

It is a super-2 number, since 2×135424513215361² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135424513215161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67712256607680 + 67712256607681.

It is an arithmetic number, because the mean of its divisors is an integer number (67712256607681).

Almost surely, 2^{135424513215361} is an apocalyptic number.

It is an amenable number.

135424513215361 is a deficient number, since it is larger than the sum of its proper divisors (1).

135424513215361 is an equidigital number, since it uses as much as digits as its factorization.

135424513215361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 46.

Adding to 135424513215361 its reverse (163512315424531), we get a palindrome (298936828639892).

The spelling of 135424513215361 in words is "one hundred thirty-five trillion, four hundred twenty-four billion, five hundred thirteen million, two hundred fifteen thousand, three hundred sixty-one".