133684344 has 40 divisors (see below), whose sum is σ = 374441760. Its totient is φ = 44561232.

The previous prime is 133684337. The next prime is 133684351. The reversal of 133684344 is 443486331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133684337) and next prime (133684351).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133684299 and 133684308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 102504 + ... + 103799.

It is an arithmetic number, because the mean of its divisors is an integer number (9361044).

Almost surely, 2^133684344 is an apocalyptic number.

It is an amenable number.

133684344 is an abundant number, since it is smaller than the sum of its proper divisors (240757416).

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

133684344 is a wasteful number, since it uses less digits than its factorization.

133684344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206321 (or 206308 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 133684344 is about 11562.1946013722. The cubic root of 133684344 is about 511.3208667453.

The spelling of 133684344 in words is "one hundred thirty-three million, six hundred eighty-four thousand, three hundred forty-four".