134401003 has 16 divisors (see below), whose sum is σ = 155888640. Its totient is φ = 114588000.

The previous prime is 134400991. The next prime is 134401009. The reversal of 134401003 is 300104431.

It is a cyclic number.

It is not a de Polignac number, because 134401003 - 2⁹ = 134400491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134401009) 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 15 ways as a sum of consecutive naturals, for example, 17926 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (9743040).

Almost surely, 2^134401003 is an apocalyptic number.

134401003 is a deficient number, since it is larger than the sum of its proper divisors (21487637).

134401003 is a wasteful number, since it uses less digits than its factorization.

134401003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 134401003 is about 11593.1446553556. The cubic root of 134401003 is about 512.2329402189.

Adding to 134401003 its reverse (300104431), we get a palindrome (434505434).

The spelling of 134401003 in words is "one hundred thirty-four million, four hundred one thousand, three".