134404403 has 12 divisors (see below), whose sum is σ = 157352832. Its totient is φ = 114463440.

The previous prime is 134404381. The next prime is 134404409. The reversal of 134404403 is 304404431.

It is not a de Polignac number, because 134404403 - 2¹⁸ = 134142259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134404409) 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 11 ways as a sum of consecutive naturals, for example, 1043 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (13112736).

Almost surely, 2^134404403 is an apocalyptic number.

134404403 is a deficient number, since it is larger than the sum of its proper divisors (22948429).

134404403 is a wasteful number, since it uses less digits than its factorization.

134404403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642 (or 17635 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 134404403 is about 11593.2912928124. The cubic root of 134404403 is about 512.2372595749.

Adding to 134404403 its reverse (304404431), we get a palindrome (438808834).

The spelling of 134404403 in words is "one hundred thirty-four million, four hundred four thousand, four hundred three".