135683623650178 has 8 divisors (see below), whose sum is σ = 203525533800720. Its totient is φ = 67841779049940.

The previous prime is 135683623650059. The next prime is 135683623650181. The reversal of 135683623650178 is 871056326386531.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10836748 + ... + 19718071.

It is an arithmetic number, because the mean of its divisors is an integer number (25440691725090).

Almost surely, 2^{135683623650178} is an apocalyptic number.

135683623650178 is a deficient number, since it is larger than the sum of its proper divisors (67841910150542).

135683623650178 is a wasteful number, since it uses less digits than its factorization.

135683623650178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32775152.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 135683623650178 in words is "one hundred thirty-five trillion, six hundred eighty-three billion, six hundred twenty-three million, six hundred fifty thousand, one hundred seventy-eight".