136561622 has 4 divisors (see below), whose sum is σ = 204842436. Its totient is φ = 68280810.

The previous prime is 136561597. The next prime is 136561637. The reversal of 136561622 is 226165631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34140404 + ... + 34140407.

It is an arithmetic number, because the mean of its divisors is an integer number (51210609).

Almost surely, 2^136561622 is an apocalyptic number.

136561622 is a deficient number, since it is larger than the sum of its proper divisors (68280814).

136561622 is an equidigital number, since it uses as much as digits as its factorization.

136561622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68280813.

The product of its digits is 12960, while the sum is 32.

The square root of 136561622 is about 11685.9583261280. The cubic root of 136561622 is about 514.9632323643.

The spelling of 136561622 in words is "one hundred thirty-six million, five hundred sixty-one thousand, six hundred twenty-two".