134797469 has 4 divisors (see below), whose sum is σ = 135702300. Its totient is φ = 133892640.

The previous prime is 134797441. The next prime is 134797489. The reversal of 134797469 is 964797431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 964797431 = 13 ⋅74215187.

It can be written as a sum of positive squares in 2 ways, for example, as 50836900 + 83960569 = 7130^2 + 9163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134797469 is a prime.

It is a super-2 number, since 2×134797469² = 36340715297611922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134797409) 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, 452192 + ... + 452489.

It is an arithmetic number, because the mean of its divisors is an integer number (33925575).

Almost surely, 2^134797469 is an apocalyptic number.

It is an amenable number.

134797469 is a deficient number, since it is larger than the sum of its proper divisors (904831).

134797469 is an equidigital number, since it uses as much as digits as its factorization.

134797469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904830.

The product of its digits is 1143072, while the sum is 50.

The square root of 134797469 is about 11610.2312207811. The cubic root of 134797469 is about 512.7361199504.

The spelling of 134797469 in words is "one hundred thirty-four million, seven hundred ninety-seven thousand, four hundred sixty-nine".