134903321 has 6 divisors (see below), whose sum is σ = 156928410. Its totient is φ = 115631376.

The previous prime is 134903317. The next prime is 134903339. The reversal of 134903321 is 123309431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133726096 + 1177225 = 11564^2 + 1085^2 .

It is not a de Polignac number, because 134903321 - 2² = 134903317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134903371) 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 5 ways as a sum of consecutive naturals, for example, 1376516 + ... + 1376613.

It is an arithmetic number, because the mean of its divisors is an integer number (26154735).

Almost surely, 2^134903321 is an apocalyptic number.

It is an amenable number.

134903321 is a deficient number, since it is larger than the sum of its proper divisors (22025089).

134903321 is an equidigital number, since it uses as much as digits as its factorization.

134903321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753143 (or 2753136 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 134903321 is about 11614.7888917535. The cubic root of 134903321 is about 512.8702964148.

The spelling of 134903321 in words is "one hundred thirty-four million, nine hundred three thousand, three hundred twenty-one".