135336969 has 6 divisors (see below), whose sum is σ = 195486746. Its totient is φ = 90224640.

The previous prime is 135336961. The next prime is 135336977. The reversal of 135336969 is 969633531.

It is an interprime number because it is at equal distance from previous prime (135336961) and next prime (135336977).

It can be written as a sum of positive squares in only one way, i.e., 86266944 + 49070025 = 9288^2 + 7005^2 .

It is not a de Polignac number, because 135336969 - 2³ = 135336961 is a prime.

It is a super-2 number, since 2×135336969² = 36632190356213922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135336961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7518712 + ... + 7518729.

Almost surely, 2^135336969 is an apocalyptic number.

It is an amenable number.

135336969 is a deficient number, since it is larger than the sum of its proper divisors (60149777).

135336969 is a wasteful number, since it uses less digits than its factorization.

135336969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15037447 (or 15037444 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The square root of 135336969 is about 11633.4418380804. The cubic root of 135336969 is about 513.4192507659.

It can be divided in two parts, 13533 and 6969, that added together give a palindrome (20502).

The spelling of 135336969 in words is "one hundred thirty-five million, three hundred thirty-six thousand, nine hundred sixty-nine".