134886469 has 2 divisors, whose sum is σ = 134886470. Its totient is φ = 134886468.

The previous prime is 134886461. The next prime is 134886481. The reversal of 134886469 is 964688431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 56776225 = 8838^2 + 7535^2 .

It is a cyclic number.

It is not a de Polignac number, because 134886469 - 2³ = 134886461 is a prime.

It is a super-2 number, since 2×134886469² = 36388719038575922, 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 (134886461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67443234 + 67443235.

It is an arithmetic number, because the mean of its divisors is an integer number (67443235).

Almost surely, 2^134886469 is an apocalyptic number.

It is an amenable number.

134886469 is a deficient number, since it is larger than the sum of its proper divisors (1).

134886469 is an equidigital number, since it uses as much as digits as its factorization.

134886469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The square root of 134886469 is about 11614.0634146710. The cubic root of 134886469 is about 512.8489397620.

The spelling of 134886469 in words is "one hundred thirty-four million, eight hundred eighty-six thousand, four hundred sixty-nine".