134465143 has 4 divisors (see below), whose sum is σ = 134510328. Its totient is φ = 134419960.

The previous prime is 134465137. The next prime is 134465207. The reversal of 134465143 is 341564431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341564431 = 13 ⋅26274187.

It is a cyclic number.

It is not a de Polignac number, because 134465143 - 2¹⁷ = 134334071 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134465743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17788 + ... + 24193.

It is an arithmetic number, because the mean of its divisors is an integer number (33627582).

Almost surely, 2^134465143 is an apocalyptic number.

134465143 is a deficient number, since it is larger than the sum of its proper divisors (45185).

134465143 is an equidigital number, since it uses as much as digits as its factorization.

134465143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45184.

The product of its digits is 17280, while the sum is 31.

The square root of 134465143 is about 11595.9106153851. The cubic root of 134465143 is about 512.3144113266.

The spelling of 134465143 in words is "one hundred thirty-four million, four hundred sixty-five thousand, one hundred forty-three".