133746021600 has 72 divisors (see below), whose sum is σ = 435343308120. Its totient is φ = 35665605120.

The previous prime is 133746021581. The next prime is 133746021733. The reversal of 133746021600 is 6120647331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27861355 + ... + 27866154.

It is an arithmetic number, because the mean of its divisors is an integer number (6046434835).

Almost surely, 2^133746021600 is an apocalyptic number.

133746021600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133746021600 is an abundant number, since it is smaller than the sum of its proper divisors (301597286520).

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

133746021600 is a wasteful number, since it uses less digits than its factorization.

133746021600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55727532 (or 55727519 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 133746021600 its reverse (6120647331), we get a palindrome (139866668931).

The spelling of 133746021600 in words is "one hundred thirty-three billion, seven hundred forty-six million, twenty-one thousand, six hundred".