133430113 has 4 divisors (see below), whose sum is σ = 136684548. Its totient is φ = 130175680.

The previous prime is 133430111. The next prime is 133430147. The reversal of 133430113 is 311034331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 117245584 = 4023^2 + 10828^2 .

It is a cyclic number.

It is not a de Polignac number, because 133430113 - 2¹ = 133430111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133430111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627156 + ... + 1627237.

It is an arithmetic number, because the mean of its divisors is an integer number (34171137).

Almost surely, 2^133430113 is an apocalyptic number.

It is an amenable number.

133430113 is a deficient number, since it is larger than the sum of its proper divisors (3254435).

133430113 is an equidigital number, since it uses as much as digits as its factorization.

133430113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254434.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133430113 is about 11551.1953061144. The cubic root of 133430113 is about 510.9965303206.

Adding to 133430113 its reverse (311034331), we get a palindrome (444464444).

The spelling of 133430113 in words is "one hundred thirty-three million, four hundred thirty thousand, one hundred thirteen".