135818103678 has 32 divisors (see below), whose sum is σ = 272387580192. Its totient is φ = 45147648000.

The previous prime is 135818103677. The next prime is 135818103709. The reversal of 135818103678 is 876301818531.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135818103678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135818103677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3179550 + ... + 3221982.

It is an arithmetic number, because the mean of its divisors is an integer number (8512111881).

Almost surely, 2^135818103678 is an apocalyptic number.

135818103678 is an abundant number, since it is smaller than the sum of its proper divisors (136569476514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135818103678 is a wasteful number, since it uses less digits than its factorization.

135818103678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43900.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 135818103678 in words is "one hundred thirty-five billion, eight hundred eighteen million, one hundred three thousand, six hundred seventy-eight".