136661326 has 8 divisors (see below), whose sum is σ = 207462024. Its totient is φ = 67507320.

The previous prime is 136661321. The next prime is 136661333. The reversal of 136661326 is 623166631.

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

It is a junction number, because it is equal to n+sod(n) for n = 136661291 and 136661300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136661321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411465 + ... + 411796.

It is an arithmetic number, because the mean of its divisors is an integer number (25932753).

Almost surely, 2^136661326 is an apocalyptic number.

136661326 is a deficient number, since it is larger than the sum of its proper divisors (70800698).

136661326 is an equidigital number, since it uses as much as digits as its factorization.

136661326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823346.

The product of its digits is 23328, while the sum is 34.

The square root of 136661326 is about 11690.2235222428. The cubic root of 136661326 is about 515.0885272140.

The spelling of 136661326 in words is "one hundred thirty-six million, six hundred sixty-one thousand, three hundred twenty-six".