13134409 has 2 divisors, whose sum is σ = 13134410. Its totient is φ = 13134408.

The previous prime is 13134397. The next prime is 13134413. The reversal of 13134409 is 90443131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 138384 = 3605^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 13134409 - 2⁷ = 13134281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13134439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567204 + 6567205.

It is an arithmetic number, because the mean of its divisors is an integer number (6567205).

Almost surely, 2^13134409 is an apocalyptic number.

It is an amenable number.

13134409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13134409 is an equidigital number, since it uses as much as digits as its factorization.

13134409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13134409 is about 3624.1425192727. The cubic root of 13134409 is about 235.9410522600.

The spelling of 13134409 in words is "thirteen million, one hundred thirty-four thousand, four hundred nine".