135258372827197 has 2 divisors, whose sum is σ = 135258372827198. Its totient is φ = 135258372827196.

The previous prime is 135258372827189. The next prime is 135258372827233. The reversal of 135258372827197 is 791728273852531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134353460116836 + 904912710361 = 11591094^2 + 951269^2 .

It is a cyclic number.

It is not a de Polignac number, because 135258372827197 - 2³ = 135258372827189 is a prime.

It is a super-2 number, since 2×135258372827197² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135258372821197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67629186413598 + 67629186413599.

It is an arithmetic number, because the mean of its divisors is an integer number (67629186413599).

Almost surely, 2^{135258372827197} is an apocalyptic number.

It is an amenable number.

135258372827197 is a deficient number, since it is larger than the sum of its proper divisors (1).

135258372827197 is an equidigital number, since it uses as much as digits as its factorization.

135258372827197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 355622400, while the sum is 70.

The spelling of 135258372827197 in words is "one hundred thirty-five trillion, two hundred fifty-eight billion, three hundred seventy-two million, eight hundred twenty-seven thousand, one hundred ninety-seven".