135465148781 has 2 divisors, whose sum is σ = 135465148782. Its totient is φ = 135465148780.

The previous prime is 135465148751. The next prime is 135465148891. The reversal of 135465148781 is 187841564531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93967384681 + 41497764100 = 306541^2 + 203710^2 .

It is an emirp because it is prime and its reverse (187841564531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135465148781 - 2¹⁰ = 135465147757 is a prime.

It is a super-2 number, since 2×135465148781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135465148751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67732574390 + 67732574391.

It is an arithmetic number, because the mean of its divisors is an integer number (67732574391).

Almost surely, 2^135465148781 is an apocalyptic number.

It is an amenable number.

135465148781 is a deficient number, since it is larger than the sum of its proper divisors (1).

135465148781 is an equidigital number, since it uses as much as digits as its factorization.

135465148781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 53.

The spelling of 135465148781 in words is "one hundred thirty-five billion, four hundred sixty-five million, one hundred forty-eight thousand, seven hundred eighty-one".