134203403 has 8 divisors (see below), whose sum is σ = 145085520. Its totient is φ = 123703200.

The previous prime is 134203393. The next prime is 134203409. The reversal of 134203403 is 304302431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134203403 - 2⁶ = 134203339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134203409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94748 + ... + 96153.

It is an arithmetic number, because the mean of its divisors is an integer number (18135690).

Almost surely, 2^134203403 is an apocalyptic number.

134203403 is a deficient number, since it is larger than the sum of its proper divisors (10882117).

134203403 is a wasteful number, since it uses less digits than its factorization.

134203403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190957.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 134203403 is about 11584.6192427719. The cubic root of 134203403 is about 511.9817841725.

Adding to 134203403 its reverse (304302431), we get a palindrome (438505834).

The spelling of 134203403 in words is "one hundred thirty-four million, two hundred three thousand, four hundred three".