133995296 has 48 divisors (see below), whose sum is σ = 281584800. Its totient is φ = 62581248.

The previous prime is 133995269. The next prime is 133995307. The reversal of 133995296 is 692599331.

It is a self number, because there is not a number n which added to its sum of digits gives 133995296.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42875 + ... + 45893.

It is an arithmetic number, because the mean of its divisors is an integer number (5866350).

Almost surely, 2^133995296 is an apocalyptic number.

133995296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133995296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140792400).

133995296 is an abundant number, since it is smaller than the sum of its proper divisors (147589504).

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

133995296 is a wasteful number, since it uses less digits than its factorization.

133995296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121 (or 3113 counting only the distinct ones).

The product of its digits is 393660, while the sum is 47.

The square root of 133995296 is about 11575.6337191533. The cubic root of 133995296 is about 511.7170066983.

The spelling of 133995296 in words is "one hundred thirty-three million, nine hundred ninety-five thousand, two hundred ninety-six".