133564342 has 16 divisors (see below), whose sum is σ = 212378112. Its totient is φ = 62780800.

The previous prime is 133564331. The next prime is 133564367. The reversal of 133564342 is 243465331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37428 + ... + 40840.

It is an arithmetic number, because the mean of its divisors is an integer number (13273632).

Almost surely, 2^133564342 is an apocalyptic number.

133564342 is a deficient number, since it is larger than the sum of its proper divisors (78813770).

133564342 is a wasteful number, since it uses less digits than its factorization.

133564342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583.

The product of its digits is 25920, while the sum is 31.

The square root of 133564342 is about 11557.0040235348. The cubic root of 133564342 is about 511.1678249011.

The spelling of 133564342 in words is "one hundred thirty-three million, five hundred sixty-four thousand, three hundred forty-two".