133433343 has 24 divisors (see below), whose sum is σ = 198458832. Its totient is φ = 86341248.

The previous prime is 133433317. The next prime is 133433347. The reversal of 133433343 is 343334331.

It is not a de Polignac number, because 133433343 - 2⁸ = 133433087 is a prime.

It is a super-4 number, since 4×133433343⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133433347) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 65955 + ... + 67947.

It is an arithmetic number, because the mean of its divisors is an integer number (8269118).

Almost surely, 2^133433343 is an apocalyptic number.

133433343 is a deficient number, since it is larger than the sum of its proper divisors (65025489).

133433343 is a wasteful number, since it uses less digits than its factorization.

133433343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2212 counting only the distinct ones).

The product of its digits is 11664, while the sum is 27.

The square root of 133433343 is about 11551.3351176390. The cubic root of 133433343 is about 511.0006535914. Note that the first 3 decimals are identical.

Adding to 133433343 its reverse (343334331), we get a palindrome (476767674).

The spelling of 133433343 in words is "one hundred thirty-three million, four hundred thirty-three thousand, three hundred forty-three".