133796992 has 64 divisors (see below), whose sum is σ = 314519040. Its totient is φ = 55480320.

The previous prime is 133796983. The next prime is 133797011. The reversal of 133796992 is 299697331.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25368 + ... + 30184.

It is an arithmetic number, because the mean of its divisors is an integer number (4914360).

Almost surely, 2^133796992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133796992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157259520).

133796992 is an abundant number, since it is smaller than the sum of its proper divisors (180722048).

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

133796992 is an equidigital number, since it uses as much as digits as its factorization.

133796992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869 (or 4857 counting only the distinct ones).

The product of its digits is 551124, while the sum is 49.

The square root of 133796992 is about 11567.0649691268. The cubic root of 133796992 is about 511.4644465152.

The spelling of 133796992 in words is "one hundred thirty-three million, seven hundred ninety-six thousand, nine hundred ninety-two".