136644510214 has 8 divisors (see below), whose sum is σ = 205029706248. Its totient is φ = 68301274800.

The previous prime is 136644510187. The next prime is 136644510313. The reversal of 136644510214 is 412015446631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10482012 + ... + 10495039.

It is an arithmetic number, because the mean of its divisors is an integer number (25628713281).

Almost surely, 2^136644510214 is an apocalyptic number.

136644510214 is a deficient number, since it is larger than the sum of its proper divisors (68385196034).

136644510214 is a wasteful number, since it uses less digits than its factorization.

136644510214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20980310.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 136644510214 its reverse (412015446631), we get a palindrome (548659956845).

The spelling of 136644510214 in words is "one hundred thirty-six billion, six hundred forty-four million, five hundred ten thousand, two hundred fourteen".