133532642 has 8 divisors (see below), whose sum is σ = 200396496. Its totient is φ = 66733812.

The previous prime is 133532639. The next prime is 133532657. The reversal of 133532642 is 246235331.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 10748 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (25049562).

Almost surely, 2^133532642 is an apocalyptic number.

133532642 is a deficient number, since it is larger than the sum of its proper divisors (66863854).

133532642 is a wasteful number, since it uses less digits than its factorization.

133532642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32512.

The product of its digits is 12960, while the sum is 29.

The square root of 133532642 is about 11555.6324794448. The cubic root of 133532642 is about 511.1273817162.

Adding to 133532642 its reverse (246235331), we get a palindrome (379767973).

The spelling of 133532642 in words is "one hundred thirty-three million, five hundred thirty-two thousand, six hundred forty-two".