135202205 has 32 divisors (see below), whose sum is σ = 174065760. Its totient is φ = 100638720.

The previous prime is 135202201. The next prime is 135202219. The reversal of 135202205 is 502202531.

It can be written as a sum of positive squares in 16 ways, for example, as 3916441 + 131285764 = 1979^2 + 11458^2 .

It is not a de Polignac number, because 135202205 - 2² = 135202201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135202201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560885 + ... + 561125.

It is an arithmetic number, because the mean of its divisors is an integer number (5439555).

Almost surely, 2^135202205 is an apocalyptic number.

It is an amenable number.

135202205 is a deficient number, since it is larger than the sum of its proper divisors (38863555).

135202205 is a wasteful number, since it uses less digits than its factorization.

135202205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 135202205 is about 11627.6483004948. The cubic root of 135202205 is about 513.2487789651.

Adding to 135202205 its reverse (502202531), we get a palindrome (637404736).

It can be divided in two parts, 13520 and 2205, that multiplied together give a square (29811600 = 5460²).

The spelling of 135202205 in words is "one hundred thirty-five million, two hundred two thousand, two hundred five".