133130552 has 8 divisors (see below), whose sum is σ = 249619800. Its totient is φ = 66565272.

The previous prime is 133130539. The next prime is 133130573. The reversal of 133130552 is 255031331.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8320652 + ... + 8320667.

It is an arithmetic number, because the mean of its divisors is an integer number (31202475).

Almost surely, 2^133130552 is an apocalyptic number.

It is an amenable number.

133130552 is a deficient number, since it is larger than the sum of its proper divisors (116489248).

133130552 is a wasteful number, since it uses less digits than its factorization.

133130552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16641325 (or 16641321 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 133130552 is about 11538.2213533976. The cubic root of 133130552 is about 510.6138347754.

Adding to 133130552 its reverse (255031331), we get a palindrome (388161883).

The spelling of 133130552 in words is "one hundred thirty-three million, one hundred thirty thousand, five hundred fifty-two".