13135469 has 2 divisors, whose sum is σ = 13135470. Its totient is φ = 13135468.

The previous prime is 13135439. The next prime is 13135477. The reversal of 13135469 is 96453131.

13135469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11812969 + 1322500 = 3437^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 13135469 - 2¹² = 13131373 is a prime.

It is a super-2 number, since 2×13135469² = 345081091699922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13135439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567734 + 6567735.

It is an arithmetic number, because the mean of its divisors is an integer number (6567735).

Almost surely, 2^13135469 is an apocalyptic number.

It is an amenable number.

13135469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13135469 is an equidigital number, since it uses as much as digits as its factorization.

13135469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 13135469 is about 3624.2887578117. The cubic root of 13135469 is about 235.9473992221.

The spelling of 13135469 in words is "thirteen million, one hundred thirty-five thousand, four hundred sixty-nine".