135477822569 has 2 divisors, whose sum is σ = 135477822570. Its totient is φ = 135477822568.

The previous prime is 135477822541. The next prime is 135477822581. The reversal of 135477822569 is 965228774531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123122388544 + 12355434025 = 350888^2 + 111155^2 .

It is a cyclic number.

It is not a de Polignac number, because 135477822569 - 2²⁴ = 135461045353 is a prime.

It is a super-2 number, since 2×135477822569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135477822539) 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, 67738911284 + 67738911285.

It is an arithmetic number, because the mean of its divisors is an integer number (67738911285).

Almost surely, 2^135477822569 is an apocalyptic number.

It is an amenable number.

135477822569 is a deficient number, since it is larger than the sum of its proper divisors (1).

135477822569 is an equidigital number, since it uses as much as digits as its factorization.

135477822569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 59.

The spelling of 135477822569 in words is "one hundred thirty-five billion, four hundred seventy-seven million, eight hundred twenty-two thousand, five hundred sixty-nine".