134403163 has 4 divisors (see below), whose sum is σ = 134790840. Its totient is φ = 134015488.

The previous prime is 134403161. The next prime is 134403187. The reversal of 134403163 is 361304431.

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: 361304431 = 479 ⋅754289.

It is a cyclic number.

It is not a de Polignac number, because 134403163 - 2¹ = 134403161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134403161) 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, 193318 + ... + 194011.

It is an arithmetic number, because the mean of its divisors is an integer number (33697710).

Almost surely, 2^134403163 is an apocalyptic number.

134403163 is a deficient number, since it is larger than the sum of its proper divisors (387677).

134403163 is an equidigital number, since it uses as much as digits as its factorization.

134403163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387676.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 134403163 is about 11593.2378134842. The cubic root of 134403163 is about 512.2356842888.

Adding to 134403163 its reverse (361304431), we get a palindrome (495707594).

The spelling of 134403163 in words is "one hundred thirty-four million, four hundred three thousand, one hundred sixty-three".