133344512 has 36 divisors (see below), whose sum is σ = 304196256. Its totient is φ = 57146880.

The previous prime is 133344511. The next prime is 133344551. The reversal of 133344512 is 215443331.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133344511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35414 + ... + 38997.

It is an arithmetic number, because the mean of its divisors is an integer number (8449896).

Almost surely, 2^133344512 is an apocalyptic number.

It is an amenable number.

133344512 is an abundant number, since it is smaller than the sum of its proper divisors (170851744).

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

133344512 is an frugal number, since it uses more digits than its factorization.

133344512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74434 (or 74420 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 133344512 is about 11547.4894241129. The cubic root of 133344512 is about 510.8872317262.

Adding to 133344512 its reverse (215443331), we get a palindrome (348787843).

The spelling of 133344512 in words is "one hundred thirty-three million, three hundred forty-four thousand, five hundred twelve".