133501012 has 6 divisors (see below), whose sum is σ = 233626778. Its totient is φ = 66750504.

The previous prime is 133500959. The next prime is 133501031. The reversal of 133501012 is 210105331.

It can be written as a sum of positive squares in only one way, i.e., 133033156 + 467856 = 11534^2 + 684^2 .

It is a congruent number.

It is an unprimeable number.

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, 16687623 + ... + 16687630.

Almost surely, 2^133501012 is an apocalyptic number.

It is an amenable number.

133501012 is a deficient number, since it is larger than the sum of its proper divisors (100125766).

133501012 is a wasteful number, since it uses less digits than its factorization.

133501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375257 (or 33375255 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 133501012 is about 11554.2638017314. The cubic root of 133501012 is about 511.0870214579.

Adding to 133501012 its reverse (210105331), we get a palindrome (343606343).

The spelling of 133501012 in words is "one hundred thirty-three million, five hundred one thousand, twelve".