134421243305 has 8 divisors (see below), whose sum is σ = 161310700800. Its totient is φ = 107533522096.

The previous prime is 134421243287. The next prime is 134421243317. The reversal of 134421243305 is 503342124431.

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 134421243305 - 2¹⁶ = 134421177769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257195 + ... + 578784.

It is an arithmetic number, because the mean of its divisors is an integer number (20163837600).

Almost surely, 2^134421243305 is an apocalyptic number.

It is an amenable number.

134421243305 is a deficient number, since it is larger than the sum of its proper divisors (26889457495).

134421243305 is an equidigital number, since it uses as much as digits as its factorization.

134421243305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868143.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 134421243305 its reverse (503342124431), we get a palindrome (637763367736).

The spelling of 134421243305 in words is "one hundred thirty-four billion, four hundred twenty-one million, two hundred forty-three thousand, three hundred five".