134402223 has 24 divisors (see below), whose sum is σ = 187583760. Its totient is φ = 85546240.

The previous prime is 134402209. The next prime is 134402227. The reversal of 134402223 is 322204431.

It is not a de Polignac number, because 134402223 - 2⁴ = 134402207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134402223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134402227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345313 + ... + 345701.

It is an arithmetic number, because the mean of its divisors is an integer number (7815990).

Almost surely, 2^134402223 is an apocalyptic number.

134402223 is a deficient number, since it is larger than the sum of its proper divisors (53181537).

134402223 is an equidigital number, since it uses as much as digits as its factorization.

134402223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 134402223 is about 11593.1972725388. The cubic root of 134402223 is about 512.2344901138.

Adding to 134402223 its reverse (322204431), we get a palindrome (456606654).

The spelling of 134402223 in words is "one hundred thirty-four million, four hundred two thousand, two hundred twenty-three".