136776323806 has 8 divisors (see below), whose sum is σ = 205166417184. Its totient is φ = 68387518080.

The previous prime is 136776323797. The next prime is 136776323807. The reversal of 136776323806 is 608323677631.

It is a happy number.

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

It is a super-3 number, since 3×136776323806³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136776323807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13566 + ... + 523198.

It is an arithmetic number, because the mean of its divisors is an integer number (25645802148).

Almost surely, 2^136776323806 is an apocalyptic number.

136776323806 is a deficient number, since it is larger than the sum of its proper divisors (68390093378).

136776323806 is a wasteful number, since it uses less digits than its factorization.

136776323806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643826.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 136776323806 in words is "one hundred thirty-six billion, seven hundred seventy-six million, three hundred twenty-three thousand, eight hundred six".