136728681367 has 8 divisors (see below), whose sum is σ = 140113828512. Its totient is φ = 133345929600.

The previous prime is 136728681361. The next prime is 136728681377. The reversal of 136728681367 is 763186827631.

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

It is a cyclic number.

It is not a de Polignac number, because 136728681367 - 2³ = 136728681359 is a prime.

It is a super-2 number, since 2×136728681367² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136728681361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482998 + ... + 711859.

It is an arithmetic number, because the mean of its divisors is an integer number (17514228564).

Almost surely, 2^136728681367 is an apocalyptic number.

136728681367 is a deficient number, since it is larger than the sum of its proper divisors (3385147145).

136728681367 is a wasteful number, since it uses less digits than its factorization.

136728681367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197689.

The product of its digits is 12192768, while the sum is 58.

The spelling of 136728681367 in words is "one hundred thirty-six billion, seven hundred twenty-eight million, six hundred eighty-one thousand, three hundred sixty-seven".