135355669 has 2 divisors, whose sum is σ = 135355670. Its totient is φ = 135355668.

The previous prime is 135355613. The next prime is 135355691. The reversal of 135355669 is 966553531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98267569 + 37088100 = 9913^2 + 6090^2 .

It is an emirp because it is prime and its reverse (966553531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135355669 - 2¹³ = 135347477 is a prime.

It is a super-2 number, since 2×135355669² = 36642314260875122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135355169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67677834 + 67677835.

It is an arithmetic number, because the mean of its divisors is an integer number (67677835).

Almost surely, 2^135355669 is an apocalyptic number.

It is an amenable number.

135355669 is a deficient number, since it is larger than the sum of its proper divisors (1).

135355669 is an equidigital number, since it uses as much as digits as its factorization.

135355669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 364500, while the sum is 43.

The square root of 135355669 is about 11634.2455277513. The cubic root of 135355669 is about 513.4428966770.

The spelling of 135355669 in words is "one hundred thirty-five million, three hundred fifty-five thousand, six hundred sixty-nine".