134457769 has 4 divisors (see below), whose sum is σ = 134882244. Its totient is φ = 134033296.

The previous prime is 134457761. The next prime is 134457779. The reversal of 134457769 is 967754431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52374169 + 82083600 = 7237^2 + 9060^2 .

It is a cyclic number.

It is not a de Polignac number, because 134457769 - 2³ = 134457761 is a prime.

It is a super-2 number, since 2×134457769² = 36157783288914722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134457761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211762 + ... + 212395.

It is an arithmetic number, because the mean of its divisors is an integer number (33720561).

Almost surely, 2^134457769 is an apocalyptic number.

It is an amenable number.

134457769 is a deficient number, since it is larger than the sum of its proper divisors (424475).

134457769 is an equidigital number, since it uses as much as digits as its factorization.

134457769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424474.

The product of its digits is 635040, while the sum is 46.

The square root of 134457769 is about 11595.5926541079. The cubic root of 134457769 is about 512.3050461349.

The spelling of 134457769 in words is "one hundred thirty-four million, four hundred fifty-seven thousand, seven hundred sixty-nine".