133781851541984 has 12 divisors (see below), whose sum is σ = 263383020223344. Its totient is φ = 66890925770976.

The previous prime is 133781851541969. The next prime is 133781851542019. The reversal of 133781851541984 is 489145158187331.

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 as a sum of consecutive naturals, namely, 2090341430312 + ... + 2090341430375.

It is an arithmetic number, because the mean of its divisors is an integer number (21948585018612).

Almost surely, 2^{133781851541984} is an apocalyptic number.

It is an amenable number.

133781851541984 is a deficient number, since it is larger than the sum of its proper divisors (129601168681360).

133781851541984 is an equidigital number, since it uses as much as digits as its factorization.

133781851541984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180682860697 (or 4180682860689 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 68.

The spelling of 133781851541984 in words is "one hundred thirty-three trillion, seven hundred eighty-one billion, eight hundred fifty-one million, five hundred forty-one thousand, nine hundred eighty-four".