133883976 has 64 divisors (see below), whose sum is σ = 356140800. Its totient is φ = 41796608.

The previous prime is 133883969. The next prime is 133883977. The reversal of 133883976 is 679388331.

It is not an unprimeable number, because it can be changed into a prime (133883977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96826 + ... + 98198.

It is an arithmetic number, because the mean of its divisors is an integer number (5564700).

Almost surely, 2^133883976 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 133883976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178070400).

133883976 is an abundant number, since it is smaller than the sum of its proper divisors (222256824).

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

133883976 is a wasteful number, since it uses less digits than its factorization.

133883976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1634 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 133883976 is about 11570.8243440128. The cubic root of 133883976 is about 511.5752601320.

The spelling of 133883976 in words is "one hundred thirty-three million, eight hundred eighty-three thousand, nine hundred seventy-six".