136680234 has 8 divisors (see below), whose sum is σ = 273360480. Its totient is φ = 45560076.

The previous prime is 136680179. The next prime is 136680239. The reversal of 136680234 is 432086631.

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

136680234 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 136680195 and 136680204.

It is not an unprimeable number, because it can be changed into a prime (136680239) by changing a digit.

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, 11390014 + ... + 11390025.

It is an arithmetic number, because the mean of its divisors is an integer number (34170060).

Almost surely, 2^136680234 is an apocalyptic number.

136680234 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.

136680234 is a wasteful number, since it uses less digits than its factorization.

136680234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22780044.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 136680234 is about 11691.0322042153. The cubic root of 136680234 is about 515.1122814222.

The spelling of 136680234 in words is "one hundred thirty-six million, six hundred eighty thousand, two hundred thirty-four".