133921869020 has 12 divisors (see below), whose sum is σ = 281235924984. Its totient is φ = 53568747600.

The previous prime is 133921868939. The next prime is 133921869121. The reversal of 133921869020 is 20968129331.

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, 3348046706 + ... + 3348046745.

It is an arithmetic number, because the mean of its divisors is an integer number (23436327082).

Almost surely, 2^133921869020 is an apocalyptic number.

133921869020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133921869020 is an abundant number, since it is smaller than the sum of its proper divisors (147314055964).

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

133921869020 is a wasteful number, since it uses less digits than its factorization.

133921869020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696093460 (or 6696093458 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 133921869020 in words is "one hundred thirty-three billion, nine hundred twenty-one million, eight hundred sixty-nine thousand, twenty".