133132223 has 4 divisors (see below), whose sum is σ = 152151120. Its totient is φ = 114113328.

The previous prime is 133132213. The next prime is 133132229. The reversal of 133132223 is 322231331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322231331 = 10459 ⋅30809.

It is not a de Polignac number, because 133132223 - 2¹⁴ = 133115839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133132195 and 133132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133132229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509438 + ... + 9509451.

It is an arithmetic number, because the mean of its divisors is an integer number (38037780).

Almost surely, 2^133132223 is an apocalyptic number.

133132223 is a deficient number, since it is larger than the sum of its proper divisors (19018897).

133132223 is an equidigital number, since it uses as much as digits as its factorization.

133132223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018896.

The product of its digits is 648, while the sum is 20.

The square root of 133132223 is about 11538.2937646777. The cubic root of 133132223 is about 510.6159711048.

Adding to 133132223 its reverse (322231331), we get a palindrome (455363554).

The spelling of 133132223 in words is "one hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-three".