205441134135 has 16 divisors (see below), whose sum is σ = 331960330080. Its totient is φ = 108483766400.

The previous prime is 205441134133. The next prime is 205441134137. The reversal of 205441134135 is 531431144502.

It is an interprime number because it is at equal distance from previous prime (205441134133) and next prime (205441134137).

It is not a de Polignac number, because 205441134135 - 2¹ = 205441134133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205441134096 and 205441134105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205441134133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67800840 + ... + 67803869.

It is an arithmetic number, because the mean of its divisors is an integer number (20747520630).

Almost surely, 2^205441134135 is an apocalyptic number.

205441134135 is a deficient number, since it is larger than the sum of its proper divisors (126519195945).

205441134135 is a wasteful number, since it uses less digits than its factorization.

205441134135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135604818.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 205441134135 its reverse (531431144502), we get a palindrome (736872278637).

The spelling of 205441134135 in words is "two hundred five billion, four hundred forty-one million, one hundred thirty-four thousand, one hundred thirty-five".