135923367788 has 12 divisors (see below), whose sum is σ = 256163270160. Its totient is φ = 62733862032.

The previous prime is 135923367787. The next prime is 135923367821. The reversal of 135923367788 is 887763329531.

It is a self number, because there is not a number n which added to its sum of digits gives 135923367788.

It is not an unprimeable number, because it can be changed into a prime (135923367781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306955408 + ... + 1306955511.

It is an arithmetic number, because the mean of its divisors is an integer number (21346939180).

Almost surely, 2^135923367788 is an apocalyptic number.

It is an amenable number.

135923367788 is a deficient number, since it is larger than the sum of its proper divisors (120239902372).

135923367788 is a wasteful number, since it uses less digits than its factorization.

135923367788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613910936 (or 2613910934 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The spelling of 135923367788 in words is "one hundred thirty-five billion, nine hundred twenty-three million, three hundred sixty-seven thousand, seven hundred eighty-eight".