134563603 has 4 divisors (see below), whose sum is σ = 134915328. Its totient is φ = 134211880.

The previous prime is 134563589. The next prime is 134563607. The reversal of 134563603 is 306365431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306365431 = 307 ⋅997933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134563603 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134563607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175288 + ... + 176053.

It is an arithmetic number, because the mean of its divisors is an integer number (33728832).

Almost surely, 2^134563603 is an apocalyptic number.

134563603 is a deficient number, since it is larger than the sum of its proper divisors (351725).

134563603 is an equidigital number, since it uses as much as digits as its factorization.

134563603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351724.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 134563603 is about 11600.1553006846. The cubic root of 134563603 is about 512.4394255594.

The spelling of 134563603 in words is "one hundred thirty-four million, five hundred sixty-three thousand, six hundred three".