136646340234 has 8 divisors (see below), whose sum is σ = 273292680480. Its totient is φ = 45548780076.

The previous prime is 136646340209. The next prime is 136646340239. The reversal of 136646340234 is 432043646631.

It is a happy number.

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

136646340234 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136646340239) 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, 11387195014 + ... + 11387195025.

It is an arithmetic number, because the mean of its divisors is an integer number (34161585060).

Almost surely, 2^136646340234 is an apocalyptic number.

136646340234 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.

136646340234 is a wasteful number, since it uses less digits than its factorization.

136646340234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774390044.

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 136646340234 its reverse (432043646631), we get a palindrome (568689986865).

The spelling of 136646340234 in words is "one hundred thirty-six billion, six hundred forty-six million, three hundred forty thousand, two hundred thirty-four".