133973427580 has 24 divisors (see below), whose sum is σ = 284129788320. Its totient is φ = 53058782400.

The previous prime is 133973427571. The next prime is 133973427607. The reversal of 133973427580 is 85724379331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33159720 + ... + 33163759.

It is an arithmetic number, because the mean of its divisors is an integer number (11838741180).

Almost surely, 2^133973427580 is an apocalyptic number.

133973427580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133973427580 is an abundant number, since it is smaller than the sum of its proper divisors (150156360740).

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

133973427580 is a wasteful number, since it uses less digits than its factorization.

133973427580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66323589 (or 66323587 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 133973427580 in words is "one hundred thirty-three billion, nine hundred seventy-three million, four hundred twenty-seven thousand, five hundred eighty".