135313533 has 12 divisors (see below), whose sum is σ = 195770848. Its totient is φ = 90062280.

The previous prime is 135313511. The next prime is 135313559. The reversal of 135313533 is 335313531.

It is a happy number.

It is not a de Polignac number, because 135313533 - 2¹³ = 135305341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135313497 and 135313506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135323533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6235 + ... + 17592.

Almost surely, 2^135313533 is an apocalyptic number.

It is an amenable number.

135313533 is a deficient number, since it is larger than the sum of its proper divisors (60457315).

135313533 is a wasteful number, since it uses less digits than its factorization.

135313533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24464 (or 24461 counting only the distinct ones).

The product of its digits is 6075, while the sum is 27.

The square root of 135313533 is about 11632.4345259279. The cubic root of 135313533 is about 513.3896131676.

The spelling of 135313533 in words is "one hundred thirty-five million, three hundred thirteen thousand, five hundred thirty-three".