136122361 has 4 divisors (see below), whose sum is σ = 137371300. Its totient is φ = 134873424.

The previous prime is 136122341. The next prime is 136122373. The reversal of 136122361 is 163221631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53875600 + 82246761 = 7340^2 + 9069^2 .

It is a cyclic number.

It is not a de Polignac number, because 136122361 - 2¹³ = 136114169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136122341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624306 + ... + 624523.

It is an arithmetic number, because the mean of its divisors is an integer number (34342825).

Almost surely, 2^136122361 is an apocalyptic number.

It is an amenable number.

136122361 is a deficient number, since it is larger than the sum of its proper divisors (1248939).

136122361 is a wasteful number, since it uses less digits than its factorization.

136122361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248938.

The product of its digits is 1296, while the sum is 25.

The square root of 136122361 is about 11667.1487947999. The cubic root of 136122361 is about 514.4104996398.

Adding to 136122361 its reverse (163221631), we get a palindrome (299343992).

The spelling of 136122361 in words is "one hundred thirty-six million, one hundred twenty-two thousand, three hundred sixty-one".