134407443 has 4 divisors (see below), whose sum is σ = 179209928. Its totient is φ = 89604960.

The previous prime is 134407439. The next prime is 134407447. The reversal of 134407443 is 344704431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344704431 = 3 ⋅114901477.

It is an interprime number because it is at equal distance from previous prime (134407439) and next prime (134407447).

It is not a de Polignac number, because 134407443 - 2² = 134407439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134407443.

It is not an unprimeable number, because it can be changed into a prime (134407447) 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, 22401238 + ... + 22401243.

It is an arithmetic number, because the mean of its divisors is an integer number (44802482).

Almost surely, 2^134407443 is an apocalyptic number.

134407443 is a deficient number, since it is larger than the sum of its proper divisors (44802485).

134407443 is an equidigital number, since it uses as much as digits as its factorization.

134407443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44802484.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 134407443 is about 11593.4224023797. The cubic root of 134407443 is about 512.2411215255.

The spelling of 134407443 in words is "one hundred thirty-four million, four hundred seven thousand, four hundred forty-three".