133834900988728 has 16 divisors (see below), whose sum is σ = 251363610424080. Its totient is φ = 66804604875648.

The previous prime is 133834900988717. The next prime is 133834900988731. The reversal of 133834900988728 is 827889009438331.

It is a congruent number.

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, 14105697300 + ... + 14105706787.

It is an arithmetic number, because the mean of its divisors is an integer number (15710225651505).

Almost surely, 2^{133834900988728} is an apocalyptic number.

It is an amenable number.

133834900988728 is a deficient number, since it is larger than the sum of its proper divisors (117528709435352).

133834900988728 is a wasteful number, since it uses less digits than its factorization.

133834900988728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28211404686 (or 28211404682 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 133834900988728 in words is "one hundred thirty-three trillion, eight hundred thirty-four billion, nine hundred million, nine hundred eighty-eight thousand, seven hundred twenty-eight".