134121111443 has 16 divisors (see below), whose sum is σ = 151959697920. Its totient is φ = 117311426400.

The previous prime is 134121111403. The next prime is 134121111451. The reversal of 134121111443 is 344111121431.

It is a cyclic number.

It is not a de Polignac number, because 134121111443 - 2²⁴ = 134104334227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134121111403) 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, 2167988 + ... + 2228993.

It is an arithmetic number, because the mean of its divisors is an integer number (9497481120).

Almost surely, 2^134121111443 is an apocalyptic number.

134121111443 is a deficient number, since it is larger than the sum of its proper divisors (17838586477).

134121111443 is a wasteful number, since it uses less digits than its factorization.

134121111443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397098.

The product of its digits is 1152, while the sum is 26.

Adding to 134121111443 its reverse (344111121431), we get a palindrome (478232232874).

The spelling of 134121111443 in words is "one hundred thirty-four billion, one hundred twenty-one million, one hundred eleven thousand, four hundred forty-three".