135823535 has 4 divisors (see below), whose sum is σ = 162988248. Its totient is φ = 108658824.

The previous prime is 135823507. The next prime is 135823543. The reversal of 135823535 is 535328531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535328531 = 4973 ⋅107647.

It is a cyclic number.

It is not a de Polignac number, because 135823535 - 2²⁶ = 68714671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135823495 and 135823504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13582349 + ... + 13582358.

It is an arithmetic number, because the mean of its divisors is an integer number (40747062).

Almost surely, 2^135823535 is an apocalyptic number.

135823535 is a deficient number, since it is larger than the sum of its proper divisors (27164713).

135823535 is an equidigital number, since it uses as much as digits as its factorization.

135823535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27164712.

The product of its digits is 54000, while the sum is 35.

The square root of 135823535 is about 11654.3354593902. The cubic root of 135823535 is about 514.0337997022.

The spelling of 135823535 in words is "one hundred thirty-five million, eight hundred twenty-three thousand, five hundred thirty-five".