133564343 has 16 divisors (see below), whose sum is σ = 151351200. Its totient is φ = 116753280.

The previous prime is 133564331. The next prime is 133564367. The reversal of 133564343 is 343465331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133564343 - 2⁶ = 133564279 is a prime.

It is a super-3 number, since 3×133564343³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133561343) 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, 92753 + ... + 94181.

It is an arithmetic number, because the mean of its divisors is an integer number (9459450).

Almost surely, 2^133564343 is an apocalyptic number.

133564343 is a deficient number, since it is larger than the sum of its proper divisors (17786857).

133564343 is a wasteful number, since it uses less digits than its factorization.

133564343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its digits is 38880, while the sum is 32.

The square root of 133564343 is about 11557.0040667986. The cubic root of 133564343 is about 511.1678261768.

The spelling of 133564343 in words is "one hundred thirty-three million, five hundred sixty-four thousand, three hundred forty-three".