135535013 has 4 divisors (see below), whose sum is σ = 135692928. Its totient is φ = 135377100.

The previous prime is 135535003. The next prime is 135535027. The reversal of 135535013 is 310535531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310535531 = 12511 ⋅24821.

It is a cyclic number.

It is not a de Polignac number, because 135535013 - 2⁸ = 135534757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135535003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77663 + ... + 79388.

It is an arithmetic number, because the mean of its divisors is an integer number (33923232).

Almost surely, 2^135535013 is an apocalyptic number.

It is an amenable number.

135535013 is a deficient number, since it is larger than the sum of its proper divisors (157915).

135535013 is an equidigital number, since it uses as much as digits as its factorization.

135535013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157914.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 135535013 is about 11641.9505668080. The cubic root of 135535013 is about 513.6695643495.

The spelling of 135535013 in words is "one hundred thirty-five million, five hundred thirty-five thousand, thirteen".