135545013 has 24 divisors (see below), whose sum is σ = 200496192. Its totient is φ = 88216128.

The previous prime is 135544979. The next prime is 135545017. The reversal of 135545013 is 310545531.

It is a de Polignac number, because none of the positive numbers 2^k-135545013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135545017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66670 + ... + 68672.

It is an arithmetic number, because the mean of its divisors is an integer number (8354008).

Almost surely, 2^135545013 is an apocalyptic number.

It is an amenable number.

135545013 is a deficient number, since it is larger than the sum of its proper divisors (64951179).

135545013 is a wasteful number, since it uses less digits than its factorization.

135545013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 135545013 is about 11642.3800401808. The cubic root of 135545013 is about 513.6821971720.

The spelling of 135545013 in words is "one hundred thirty-five million, five hundred forty-five thousand, thirteen".