133345412 has 6 divisors (see below), whose sum is σ = 233354478. Its totient is φ = 66672704.

The previous prime is 133345411. The next prime is 133345417. The reversal of 133345412 is 214543331.

It can be written as a sum of positive squares in only one way, i.e., 124188736 + 9156676 = 11144^2 + 3026^2 .

It is not an unprimeable number, because it can be changed into a prime (133345411) 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 as a sum of consecutive naturals, namely, 16668173 + ... + 16668180.

It is an arithmetic number, because the mean of its divisors is an integer number (38892413).

Almost surely, 2^133345412 is an apocalyptic number.

It is an amenable number.

133345412 is a deficient number, since it is larger than the sum of its proper divisors (100009066).

133345412 is a wasteful number, since it uses less digits than its factorization.

133345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33336357 (or 33336355 counting only the distinct ones).

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

The square root of 133345412 is about 11547.5283935568. The cubic root of 133345412 is about 510.8883811236. Note that the first 3 decimals are identical.

Adding to 133345412 its reverse (214543331), we get a palindrome (347888743).

The spelling of 133345412 in words is "one hundred thirty-three million, three hundred forty-five thousand, four hundred twelve".