135110021013 has 24 divisors (see below), whose sum is σ = 212927326560. Its totient is φ = 81874596960.

The previous prime is 135110020939. The next prime is 135110021029. The reversal of 135110021013 is 310120011531.

135110021013 is a `hidden beast` number, since 1 + 351 + 100 + 210 + 1 + 3 = 666.

It is not a de Polignac number, because 135110021013 - 2⁹ = 135110020501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135110021213) 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, 749170 + ... + 911852.

It is an arithmetic number, because the mean of its divisors is an integer number (8871971940).

Almost surely, 2^135110021013 is an apocalyptic number.

It is an amenable number.

135110021013 is a deficient number, since it is larger than the sum of its proper divisors (77817305547).

135110021013 is a wasteful number, since it uses less digits than its factorization.

135110021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171089 (or 171086 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 135110021013 its reverse (310120011531), we get a palindrome (445230032544).

The spelling of 135110021013 in words is "one hundred thirty-five billion, one hundred ten million, twenty-one thousand, thirteen".