134430210421 has 16 divisors (see below), whose sum is σ = 147872793600. Its totient is φ = 121431512448.

The previous prime is 134430210419. The next prime is 134430210443. The reversal of 134430210421 is 124012034431.

It is a cyclic number.

It is not a de Polignac number, because 134430210421 - 2¹ = 134430210419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134430210721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6055540 + ... + 6077698.

It is an arithmetic number, because the mean of its divisors is an integer number (9242049600).

Almost surely, 2^134430210421 is an apocalyptic number.

It is an amenable number.

134430210421 is a deficient number, since it is larger than the sum of its proper divisors (13442583179).

134430210421 is a wasteful number, since it uses less digits than its factorization.

134430210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32148.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 134430210421 its reverse (124012034431), we get a palindrome (258442244852).

The spelling of 134430210421 in words is "one hundred thirty-four billion, four hundred thirty million, two hundred ten thousand, four hundred twenty-one".