136973766 has 8 divisors (see below), whose sum is σ = 273947544. Its totient is φ = 45657920.

The previous prime is 136973729. The next prime is 136973773. The reversal of 136973766 is 667379631.

136973766 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

136973766 is an admirable number.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 11414475 + ... + 11414486.

It is an arithmetic number, because the mean of its divisors is an integer number (34243443).

Almost surely, 2^136973766 is an apocalyptic number.

136973766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136973766 is a wasteful number, since it uses less digits than its factorization.

136973766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22828966.

The product of its digits is 857304, while the sum is 48.

The square root of 136973766 is about 11703.5791961263. The cubic root of 136973766 is about 515.4807663723.

The spelling of 136973766 in words is "one hundred thirty-six million, nine hundred seventy-three thousand, seven hundred sixty-six".