134416321 has 8 divisors (see below), whose sum is σ = 147488040. Its totient is φ = 121734912.

The previous prime is 134416313. The next prime is 134416343. The reversal of 134416321 is 123614431.

It can be written as a sum of positive squares in 4 ways, for example, as 4456321 + 129960000 = 2111^2 + 11400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134416321 - 2³ = 134416313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134416351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96856 + ... + 98233.

It is an arithmetic number, because the mean of its divisors is an integer number (18436005).

Almost surely, 2^134416321 is an apocalyptic number.

It is an amenable number.

134416321 is a deficient number, since it is larger than the sum of its proper divisors (13071719).

134416321 is a wasteful number, since it uses less digits than its factorization.

134416321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195155.

The product of its digits is 1728, while the sum is 25.

The square root of 134416321 is about 11593.8052855825. The cubic root of 134416321 is about 512.2523996126.

The spelling of 134416321 in words is "one hundred thirty-four million, four hundred sixteen thousand, three hundred twenty-one".