135100205 has 8 divisors (see below), whose sum is σ = 162187800. Its totient is φ = 108035136.

The previous prime is 135100111. The next prime is 135100211. The reversal of 135100205 is 502001531.

135100205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 134629609 = 686^2 + 11603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135100205 - 2¹⁴ = 135083821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13451 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (20273475).

Almost surely, 2^135100205 is an apocalyptic number.

It is an amenable number.

135100205 is a deficient number, since it is larger than the sum of its proper divisors (27087595).

135100205 is an equidigital number, since it uses as much as digits as its factorization.

135100205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 135100205 is about 11623.2613753628. The cubic root of 135100205 is about 513.1196771603.

Adding to 135100205 its reverse (502001531), we get a palindrome (637101736).

The spelling of 135100205 in words is "one hundred thirty-five million, one hundred thousand, two hundred five".