134340553 has 4 divisors (see below), whose sum is σ = 135082948. Its totient is φ = 133598160.

The previous prime is 134340551. The next prime is 134340571. The reversal of 134340553 is 355043431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355043431 = 151 ⋅2351281.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 127848249 = 2548^2 + 11307^2 .

It is a cyclic number.

It is not a de Polignac number, because 134340553 - 2¹ = 134340551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134340551) 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 in 3 ways as a sum of consecutive naturals, for example, 370926 + ... + 371287.

It is an arithmetic number, because the mean of its divisors is an integer number (33770737).

Almost surely, 2^134340553 is an apocalyptic number.

It is an amenable number.

134340553 is a deficient number, since it is larger than the sum of its proper divisors (742395).

134340553 is an equidigital number, since it uses as much as digits as its factorization.

134340553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742394.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 134340553 is about 11590.5372179205. The cubic root of 134340553 is about 512.1561324470.

Adding to 134340553 its reverse (355043431), we get a palindrome (489383984).

The spelling of 134340553 in words is "one hundred thirty-four million, three hundred forty thousand, five hundred fifty-three".