133869545916 has 24 divisors (see below), whose sum is σ = 319980867024. Its totient is φ = 43534811520.

The previous prime is 133869545893. The next prime is 133869545923. The reversal of 133869545916 is 619545968331.

It is a self number, because there is not a number n which added to its sum of digits gives 133869545916.

It is a congruent number.

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, 136045795 + ... + 136046778.

It is an arithmetic number, because the mean of its divisors is an integer number (13332536126).

Almost surely, 2^133869545916 is an apocalyptic number.

It is an amenable number.

133869545916 is an abundant number, since it is smaller than the sum of its proper divisors (186111321108).

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

133869545916 is a wasteful number, since it uses less digits than its factorization.

133869545916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272092621 (or 272092619 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 60.

The spelling of 133869545916 in words is "one hundred thirty-three billion, eight hundred sixty-nine million, five hundred forty-five thousand, nine hundred sixteen".