210135434103 has 18 divisors (see below), whose sum is σ = 353084709744. Its totient is φ = 120077390664.

The previous prime is 210135434087. The next prime is 210135434111. The reversal of 210135434103 is 301434531012.

It is a happy number.

210135434103 is a `hidden beast` number, since 2 + 1 + 0 + 13 + 543 + 4 + 103 = 666.

210135434103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210135434103 - 2⁴ = 210135434087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210135434203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 238248351 + ... + 238249232.

It is an arithmetic number, because the mean of its divisors is an integer number (19615817208).

Almost surely, 2^210135434103 is an apocalyptic number.

210135434103 is a deficient number, since it is larger than the sum of its proper divisors (142949275641).

210135434103 is a wasteful number, since it uses less digits than its factorization.

210135434103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476497603 (or 476497593 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 210135434103 its reverse (301434531012), we get a palindrome (511569965115).

The spelling of 210135434103 in words is "two hundred ten billion, one hundred thirty-five million, four hundred thirty-four thousand, one hundred three".