134303409 has 6 divisors (see below), whose sum is σ = 193993826. Its totient is φ = 89535600.

The previous prime is 134303401. The next prime is 134303423. The reversal of 134303409 is 904303431.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 61968384 = 8505^2 + 7872^2 .

It is not a de Polignac number, because 134303409 - 2³ = 134303401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134303401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7461292 + ... + 7461309.

Almost surely, 2^134303409 is an apocalyptic number.

It is an amenable number.

134303409 is a deficient number, since it is larger than the sum of its proper divisors (59690417).

134303409 is a wasteful number, since it uses less digits than its factorization.

134303409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14922607 (or 14922604 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 134303409 is about 11588.9347655425. The cubic root of 134303409 is about 512.1089258503.

The spelling of 134303409 in words is "one hundred thirty-four million, three hundred three thousand, four hundred nine".