133320632 has 32 divisors (see below), whose sum is σ = 253400400. Its totient is φ = 65754624.

The previous prime is 133320631. The next prime is 133320641. The reversal of 133320632 is 236023331.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 133320598 and 133320607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320631) by changing a digit.

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, 224528 + ... + 225120.

Almost surely, 2^133320632 is an apocalyptic number.

It is an amenable number.

133320632 is a deficient number, since it is larger than the sum of its proper divisors (120079768).

133320632 is a wasteful number, since it uses less digits than its factorization.

133320632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 133320632 is about 11546.4553868276. The cubic root of 133320632 is about 510.8567324947.

Adding to 133320632 its reverse (236023331), we get a palindrome (369343963).

The spelling of 133320632 in words is "one hundred thirty-three million, three hundred twenty thousand, six hundred thirty-two".