134423503205 has 8 divisors (see below), whose sum is σ = 161310542712. Its totient is φ = 107537243328.

The previous prime is 134423503163. The next prime is 134423503211. The reversal of 134423503205 is 502305324431.

It can be written as a sum of positive squares in 4 ways, for example, as 11924203204 + 122499300001 = 109198^2 + 349999^2 .

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 134423503205 - 2⁶ = 134423503141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297527 + ... + 597803.

It is an arithmetic number, because the mean of its divisors is an integer number (20163817839).

Almost surely, 2^134423503205 is an apocalyptic number.

It is an amenable number.

134423503205 is a deficient number, since it is larger than the sum of its proper divisors (26887039507).

134423503205 is an equidigital number, since it uses as much as digits as its factorization.

134423503205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389815.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 134423503205 its reverse (502305324431), we get a palindrome (636728827636).

The spelling of 134423503205 in words is "one hundred thirty-four billion, four hundred twenty-three million, five hundred three thousand, two hundred five".