135269433 has 20 divisors (see below), whose sum is σ = 217614628. Its totient is φ = 83242080.

The previous prime is 135269429. The next prime is 135269437. The reversal of 135269433 is 334962531.

It is a happy number.

135269433 is a `hidden beast` number, since 13 + 526 + 94 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (135269429) and next prime (135269437).

It can be written as a sum of positive squares in 2 ways, for example, as 18045504 + 117223929 = 4248^2 + 10827^2 .

It is not a de Polignac number, because 135269433 - 2² = 135269429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135269437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63178 + ... + 65283.

Almost surely, 2^135269433 is an apocalyptic number.

135269433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135269433 is a deficient number, since it is larger than the sum of its proper divisors (82345195).

135269433 is a wasteful number, since it uses less digits than its factorization.

135269433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128486 (or 128477 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 135269433 is about 11630.5388095307. The cubic root of 135269433 is about 513.3338342136. Note that the first 3 decimals are identical.

The spelling of 135269433 in words is "one hundred thirty-five million, two hundred sixty-nine thousand, four hundred thirty-three".