20130535135 has 4 divisors (see below), whose sum is σ = 24156642168. Its totient is φ = 16104428104.

The previous prime is 20130535121. The next prime is 20130535147. The reversal of 20130535135 is 53153503102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20130535135 - 2⁹ = 20130534623 is a prime.

It is a Duffinian number.

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, 2013053509 + ... + 2013053518.

It is an arithmetic number, because the mean of its divisors is an integer number (6039160542).

Almost surely, 2^20130535135 is an apocalyptic number.

20130535135 is a deficient number, since it is larger than the sum of its proper divisors (4026107033).

20130535135 is an equidigital number, since it uses as much as digits as its factorization.

20130535135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026107032.

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 20130535135 in words is "twenty billion, one hundred thirty million, five hundred thirty-five thousand, one hundred thirty-five".