134243404121 has 8 divisors (see below), whose sum is σ = 138659798784. Its totient is φ = 129832382160.

The previous prime is 134243404111. The next prime is 134243404147. The reversal of 134243404121 is 121404342431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134243404121 - 2¹⁴ = 134243387737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134243404111) by changing a digit.

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, 1292351 + ... + 1392356.

It is an arithmetic number, because the mean of its divisors is an integer number (17332474848).

Almost surely, 2^134243404121 is an apocalyptic number.

It is an amenable number.

134243404121 is a deficient number, since it is larger than the sum of its proper divisors (4416394663).

134243404121 is a wasteful number, since it uses less digits than its factorization.

134243404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686351.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 134243404121 its reverse (121404342431), we get a palindrome (255647746552).

The spelling of 134243404121 in words is "one hundred thirty-four billion, two hundred forty-three million, four hundred four thousand, one hundred twenty-one".