135623161024872 has 32 divisors (see below), whose sum is σ = 339605653653600. Its totient is φ = 45134686862784.

The previous prime is 135623161024867. The next prime is 135623161024903. The reversal of 135623161024872 is 278420161326531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4564577263 + ... + 4564606974.

It is an arithmetic number, because the mean of its divisors is an integer number (10612676676675).

Almost surely, 2^{135623161024872} is an apocalyptic number.

135623161024872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135623161024872 is an abundant number, since it is smaller than the sum of its proper divisors (203982492628728).

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

135623161024872 is a wasteful number, since it uses less digits than its factorization.

135623161024872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129184865 (or 9129184861 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 135623161024872 in words is "one hundred thirty-five trillion, six hundred twenty-three billion, one hundred sixty-one million, twenty-four thousand, eight hundred seventy-two".