133603360992 has 72 divisors (see below), whose sum is σ = 393035774040. Its totient is φ = 42998780160.

The previous prime is 133603360987. The next prime is 133603360993. The reversal of 133603360992 is 299063306331.

133603360992 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 0 + 33 + 609 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133603360993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7989934 + ... + 8006637.

It is an arithmetic number, because the mean of its divisors is an integer number (5458830195).

Almost surely, 2^133603360992 is an apocalyptic number.

133603360992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133603360992 is an abundant number, since it is smaller than the sum of its proper divisors (259432413048).

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

133603360992 is a wasteful number, since it uses less digits than its factorization.

133603360992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15996616 (or 15996605 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 45.

The spelling of 133603360992 in words is "one hundred thirty-three billion, six hundred three million, three hundred sixty thousand, nine hundred ninety-two".