133138796 has 12 divisors (see below), whose sum is σ = 266277648. Its totient is φ = 57059472.

The previous prime is 133138771. The next prime is 133138829. The reversal of 133138796 is 697831331.

133138796 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377451 + ... + 2377506.

It is an arithmetic number, because the mean of its divisors is an integer number (22189804).

Almost surely, 2^133138796 is an apocalyptic number.

It is an amenable number.

133138796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133138796 is a wasteful number, since it uses less digits than its factorization.

133138796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754968 (or 4754966 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 133138796 is about 11538.5785953037. The cubic root of 133138796 is about 510.6243743385.

The spelling of 133138796 in words is "one hundred thirty-three million, one hundred thirty-eight thousand, seven hundred ninety-six".