136102205 has 4 divisors (see below), whose sum is σ = 163322652. Its totient is φ = 108881760.

The previous prime is 136102199. The next prime is 136102223. The reversal of 136102205 is 502201631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502201631 = 431 ⋅1165201.

It can be written as a sum of positive squares in 2 ways, for example, as 90364036 + 45738169 = 9506^2 + 6763^2 .

It is not a de Polignac number, because 136102205 - 2²⁶ = 68993341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13610216 + ... + 13610225.

It is an arithmetic number, because the mean of its divisors is an integer number (40830663).

Almost surely, 2^136102205 is an apocalyptic number.

It is an amenable number.

136102205 is a deficient number, since it is larger than the sum of its proper divisors (27220447).

136102205 is an equidigital number, since it uses as much as digits as its factorization.

136102205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27220446.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 136102205 is about 11666.2849699465. The cubic root of 136102205 is about 514.3851083429.

Adding to 136102205 its reverse (502201631), we get a palindrome (638303836).

The spelling of 136102205 in words is "one hundred thirty-six million, one hundred two thousand, two hundred five".