134503321 has 4 divisors (see below), whose sum is σ = 134554932. Its totient is φ = 134451712.

The previous prime is 134503319. The next prime is 134503339. The reversal of 134503321 is 123305431.

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 131423296 + 3080025 = 11464^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 134503321 - 2¹ = 134503319 is a prime.

It is a super-2 number, since 2×134503321² = 36182286720058082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134503292 and 134503301.

It is not an unprimeable number, because it can be changed into a prime (134503361) 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 3 ways as a sum of consecutive naturals, for example, 21676 + ... + 27181.

It is an arithmetic number, because the mean of its divisors is an integer number (33638733).

Almost surely, 2^134503321 is an apocalyptic number.

It is an amenable number.

134503321 is a deficient number, since it is larger than the sum of its proper divisors (51611).

134503321 is an equidigital number, since it uses as much as digits as its factorization.

134503321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 134503321 is about 11597.5566823362. The cubic root of 134503321 is about 512.3628930083.

Adding to 134503321 its reverse (123305431), we get a palindrome (257808752).

The spelling of 134503321 in words is "one hundred thirty-four million, five hundred three thousand, three hundred twenty-one".