103205135 has 24 divisors (see below), whose sum is σ = 137032560. Its totient is φ = 74560640.

The previous prime is 103205129. The next prime is 103205149. The reversal of 103205135 is 531502301.

It is not a de Polignac number, because 103205135 - 2⁴ = 103205119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107819 + ... + 108771.

It is an arithmetic number, because the mean of its divisors is an integer number (5709690).

Almost surely, 2^103205135 is an apocalyptic number.

103205135 is a deficient number, since it is larger than the sum of its proper divisors (33827425).

103205135 is a wasteful number, since it uses less digits than its factorization.

103205135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 103205135 is about 10158.9928142508. The cubic root of 103205135 is about 469.0657994039.

Adding to 103205135 its reverse (531502301), we get a palindrome (634707436).

The spelling of 103205135 in words is "one hundred three million, two hundred five thousand, one hundred thirty-five".