134421041443 has 4 divisors (see below), whose sum is σ = 144761121568. Its totient is φ = 124080961320.

The previous prime is 134421041431. The next prime is 134421041449. The reversal of 134421041443 is 344140124431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344140124431 = 185849 ⋅1851719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134421041443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134421041449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5170040043 + ... + 5170040068.

It is an arithmetic number, because the mean of its divisors is an integer number (36190280392).

Almost surely, 2^134421041443 is an apocalyptic number.

134421041443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134421041443 is a deficient number, since it is larger than the sum of its proper divisors (10340080125).

134421041443 is a wasteful number, since it uses less digits than its factorization.

134421041443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340080124.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 134421041443 its reverse (344140124431), we get a palindrome (478561165874).

The spelling of 134421041443 in words is "one hundred thirty-four billion, four hundred twenty-one million, forty-one thousand, four hundred forty-three".