134503405 has 8 divisors (see below), whose sum is σ = 170898552. Its totient is φ = 101273088.

The previous prime is 134503373. The next prime is 134503423. The reversal of 134503405 is 504305431.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 131744484 = 1661^2 + 11478^2 .

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 134503405 - 2⁵ = 134503373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134503405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 791112 + ... + 791281.

It is an arithmetic number, because the mean of its divisors is an integer number (21362319).

Almost surely, 2^134503405 is an apocalyptic number.

It is an amenable number.

134503405 is a deficient number, since it is larger than the sum of its proper divisors (36395147).

134503405 is a wasteful number, since it uses less digits than its factorization.

134503405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582415.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 134503405 is about 11597.5603037880. The cubic root of 134503405 is about 512.3629996686.

Adding to 134503405 its reverse (504305431), we get a palindrome (638808836).

The spelling of 134503405 in words is "one hundred thirty-four million, five hundred three thousand, four hundred five".