133313032 has 8 divisors (see below), whose sum is σ = 249961950. Its totient is φ = 66656512.

The previous prime is 133312957. The next prime is 133313057. The reversal of 133313032 is 230313331.

It can be written as a sum of positive squares in only one way, i.e., 133310116 + 2916 = 11546^2 + 54^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332057 + ... + 8332072.

Almost surely, 2^133313032 is an apocalyptic number.

It is an amenable number.

133313032 is a deficient number, since it is larger than the sum of its proper divisors (116648918).

133313032 is a wasteful number, since it uses less digits than its factorization.

133313032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664135 (or 16664131 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 133313032 is about 11546.1262768082. The cubic root of 133313032 is about 510.8470251076.

Adding to 133313032 its reverse (230313331), we get a palindrome (363626363).

It can be divided in two parts, 1333 and 13032, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 133313032 in words is "one hundred thirty-three million, three hundred thirteen thousand, thirty-two".