133013132 has 24 divisors (see below), whose sum is σ = 266273280. Its totient is φ = 56952720.

The previous prime is 133013119. The next prime is 133013137. The reversal of 133013132 is 231310331.

It is a self number, because there is not a number n which added to its sum of digits gives 133013132.

It is not an unprimeable number, because it can be changed into a prime (133013137) 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, 51119 + ... + 53657.

It is an arithmetic number, because the mean of its divisors is an integer number (11094720).

Almost surely, 2^133013132 is an apocalyptic number.

It is an amenable number.

133013132 is an abundant number, since it is smaller than the sum of its proper divisors (133260148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133013132 is a wasteful number, since it uses less digits than its factorization.

133013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421 (or 4419 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133013132 is about 11533.1319250237. The cubic root of 133013132 is about 510.4636716180.

Adding to 133013132 its reverse (231310331), we get a palindrome (364323463).

The spelling of 133013132 in words is "one hundred thirty-three million, thirteen thousand, one hundred thirty-two".