134621303 has 4 divisors (see below), whose sum is σ = 136903080. Its totient is φ = 132339528.

The previous prime is 134621299. The next prime is 134621321. The reversal of 134621303 is 303126431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303126431 = 467 ⋅649093.

It is a cyclic number.

It is not a de Polignac number, because 134621303 - 2² = 134621299 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 (134621363) 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, 1140800 + ... + 1140917.

It is an arithmetic number, because the mean of its divisors is an integer number (34225770).

Almost surely, 2^134621303 is an apocalyptic number.

134621303 is a deficient number, since it is larger than the sum of its proper divisors (2281777).

134621303 is an equidigital number, since it uses as much as digits as its factorization.

134621303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281776.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 134621303 is about 11602.6420698046. The cubic root of 134621303 is about 512.5126586602.

Adding to 134621303 its reverse (303126431), we get a palindrome (437747734).

The spelling of 134621303 in words is "one hundred thirty-four million, six hundred twenty-one thousand, three hundred three".