134432143 has 4 divisors (see below), whose sum is σ = 134455608. Its totient is φ = 134408680.

The previous prime is 134432119. The next prime is 134432183. The reversal of 134432143 is 341234431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134432143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134432113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3180 + ... + 16702.

It is an arithmetic number, because the mean of its divisors is an integer number (33613902).

Almost surely, 2^134432143 is an apocalyptic number.

134432143 is a deficient number, since it is larger than the sum of its proper divisors (23465).

134432143 is an equidigital number, since it uses as much as digits as its factorization.

134432143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23464.

The product of its digits is 3456, while the sum is 25.

The square root of 134432143 is about 11594.4876126546. The cubic root of 134432143 is about 512.2724977164.

Adding to 134432143 its reverse (341234431), we get a palindrome (475666574).

The spelling of 134432143 in words is "one hundred thirty-four million, four hundred thirty-two thousand, one hundred forty-three".