134321303 has 4 divisors (see below), whose sum is σ = 134450400. Its totient is φ = 134192208.

The previous prime is 134321287. The next prime is 134321309. The reversal of 134321303 is 303123431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303123431 = 13 ⋅23317187.

It is a cyclic number.

It is not a de Polignac number, because 134321303 - 2⁴ = 134321287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134321309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62975 + ... + 65072.

It is an arithmetic number, because the mean of its divisors is an integer number (33612600).

Almost surely, 2^134321303 is an apocalyptic number.

134321303 is a deficient number, since it is larger than the sum of its proper divisors (129097).

134321303 is a wasteful number, since it uses less digits than its factorization.

134321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129096.

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

The square root of 134321303 is about 11589.7067693708. The cubic root of 134321303 is about 512.1316685596.

Adding to 134321303 its reverse (303123431), we get a palindrome (437444734).

The spelling of 134321303 in words is "one hundred thirty-four million, three hundred twenty-one thousand, three hundred three".