136675646 has 4 divisors (see below), whose sum is σ = 205013472. Its totient is φ = 68337822.

The previous prime is 136675613. The next prime is 136675657. The reversal of 136675646 is 646576631.

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

It is a junction number, because it is equal to n+sod(n) for n = 136675597 and 136675606.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34168910 + ... + 34168913.

It is an arithmetic number, because the mean of its divisors is an integer number (51253368).

Almost surely, 2^136675646 is an apocalyptic number.

136675646 is a deficient number, since it is larger than the sum of its proper divisors (68337826).

136675646 is an equidigital number, since it uses as much as digits as its factorization.

136675646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68337825.

The product of its digits is 544320, while the sum is 44.

The square root of 136675646 is about 11690.8359837952. The cubic root of 136675646 is about 515.1065176978.

The spelling of 136675646 in words is "one hundred thirty-six million, six hundred seventy-five thousand, six hundred forty-six".