133953343 has 4 divisors (see below), whose sum is σ = 134509408. Its totient is φ = 133397280.

The previous prime is 133953341. The next prime is 133953361. The reversal of 133953343 is 343359331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133953343 - 2¹ = 133953341 is a prime.

It is a super-3 number, since 3×133953343³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133953299 and 133953308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133953341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277671 + ... + 278152.

It is an arithmetic number, because the mean of its divisors is an integer number (33627352).

Almost surely, 2^133953343 is an apocalyptic number.

133953343 is a deficient number, since it is larger than the sum of its proper divisors (556065).

133953343 is an equidigital number, since it uses as much as digits as its factorization.

133953343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556064.

The product of its digits is 43740, while the sum is 34.

The square root of 133953343 is about 11573.8214518801. The cubic root of 133953343 is about 511.6635961058.

The spelling of 133953343 in words is "one hundred thirty-three million, nine hundred fifty-three thousand, three hundred forty-three".