136673426 has 8 divisors (see below), whose sum is σ = 205060464. Its totient is φ = 68319940.

The previous prime is 136673401. The next prime is 136673443. The reversal of 136673426 is 624376631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 136673426.

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 in 3 ways as a sum of consecutive naturals, for example, 9041 + ... + 18843.

It is an arithmetic number, because the mean of its divisors is an integer number (25632558).

Almost surely, 2^136673426 is an apocalyptic number.

136673426 is a deficient number, since it is larger than the sum of its proper divisors (68387038).

136673426 is an equidigital number, since it uses as much as digits as its factorization.

136673426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16776.

The product of its digits is 108864, while the sum is 38.

The square root of 136673426 is about 11690.7410372482. The cubic root of 136673426 is about 515.1037287526.

The spelling of 136673426 in words is "one hundred thirty-six million, six hundred seventy-three thousand, four hundred twenty-six".