135568439246 has 8 divisors (see below), whose sum is σ = 203472494640. Its totient is φ = 67744274368.

The previous prime is 135568439239. The next prime is 135568439269. The reversal of 135568439246 is 642934865531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135568439191 and 135568439200.

It is a congruent number.

It is an unprimeable number.

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, 19968386 + ... + 19975173.

It is an arithmetic number, because the mean of its divisors is an integer number (25434061830).

Almost surely, 2^135568439246 is an apocalyptic number.

135568439246 is a deficient number, since it is larger than the sum of its proper divisors (67904055394).

135568439246 is a wasteful number, since it uses less digits than its factorization.

135568439246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945258.

The product of its digits is 18662400, while the sum is 56.

The spelling of 135568439246 in words is "one hundred thirty-five billion, five hundred sixty-eight million, four hundred thirty-nine thousand, two hundred forty-six".