133654490491872 has 96 divisors (see below), whose sum is σ = 406038958617600. Its totient is φ = 37703617555968.

The previous prime is 133654490491817. The next prime is 133654490491883. The reversal of 133654490491872 is 278194094456331.

133654490491872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258748247 + ... + 1258854422.

It is an arithmetic number, because the mean of its divisors is an integer number (4229572485600).

It is a 1-persistent number, because it is pandigital, but 2⋅133654490491872 = 267308980983744 is not.

Almost surely, 2^{133654490491872} is an apocalyptic number.

133654490491872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133654490491872 is an abundant number, since it is smaller than the sum of its proper divisors (272384468125728).

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

133654490491872 is a wasteful number, since it uses less digits than its factorization.

133654490491872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517602768 (or 2517602760 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 133654490491872 in words is "one hundred thirty-three trillion, six hundred fifty-four billion, four hundred ninety million, four hundred ninety-one thousand, eight hundred seventy-two".