135305254369 has 2 divisors, whose sum is σ = 135305254370. Its totient is φ = 135305254368.

The previous prime is 135305254339. The next prime is 135305254463. The reversal of 135305254369 is 963452503531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128585353744 + 6719900625 = 358588^2 + 81975^2 .

It is a cyclic number.

It is not a de Polignac number, because 135305254369 - 2²¹ = 135303157217 is a prime.

It is a super-2 number, since 2×135305254369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135305254339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67652627184 + 67652627185.

It is an arithmetic number, because the mean of its divisors is an integer number (67652627185).

Almost surely, 2^135305254369 is an apocalyptic number.

It is an amenable number.

135305254369 is a deficient number, since it is larger than the sum of its proper divisors (1).

135305254369 is an equidigital number, since it uses as much as digits as its factorization.

135305254369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 135305254369 in words is "one hundred thirty-five billion, three hundred five million, two hundred fifty-four thousand, three hundred sixty-nine".