133476066828 has 54 divisors (see below), whose sum is σ = 365347968804. Its totient is φ = 41069557152.

The previous prime is 133476066817. The next prime is 133476066847. The reversal of 133476066828 is 828660674331.

133476066828 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 7 + 606 + 6 + 8 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10963350 + ... + 10975517.

It is an arithmetic number, because the mean of its divisors is an integer number (6765703126).

Almost surely, 2^133476066828 is an apocalyptic number.

133476066828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133476066828 is an abundant number, since it is smaller than the sum of its proper divisors (231871901976).

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

133476066828 is a wasteful number, since it uses less digits than its factorization.

133476066828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938903 (or 21938885 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 133476066828 in words is "one hundred thirty-three billion, four hundred seventy-six million, sixty-six thousand, eight hundred twenty-eight".