136322661205 has 8 divisors (see below), whose sum is σ = 163808560800. Its totient is φ = 108910550736.

The previous prime is 136322661203. The next prime is 136322661229. The reversal of 136322661205 is 502166223631.

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 136322661205 - 2¹ = 136322661203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136322661203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18443215 + ... + 18450604.

It is an arithmetic number, because the mean of its divisors is an integer number (20476070100).

Almost surely, 2^136322661205 is an apocalyptic number.

It is an amenable number.

136322661205 is a deficient number, since it is larger than the sum of its proper divisors (27485899595).

136322661205 is an equidigital number, since it uses as much as digits as its factorization.

136322661205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36894563.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 136322661205 its reverse (502166223631), we get a palindrome (638488884836).

The spelling of 136322661205 in words is "one hundred thirty-six billion, three hundred twenty-two million, six hundred sixty-one thousand, two hundred five".