135432143 has 16 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 102955200.

The previous prime is 135432109. The next prime is 135432151. The reversal of 135432143 is 341234531.

It is a cyclic number.

It is not a de Polignac number, because 135432143 - 2⁸ = 135431887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135432163) 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 15 ways as a sum of consecutive naturals, for example, 18293 + ... + 24606.

It is an arithmetic number, because the mean of its divisors is an integer number (10810800).

Almost surely, 2^135432143 is an apocalyptic number.

135432143 is a deficient number, since it is larger than the sum of its proper divisors (37540657).

135432143 is a wasteful number, since it uses less digits than its factorization.

135432143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42958.

The product of its digits is 4320, while the sum is 26.

The square root of 135432143 is about 11637.5316540923. The cubic root of 135432143 is about 513.5395744149.

Adding to 135432143 its reverse (341234531), we get a palindrome (476666674).

The spelling of 135432143 in words is "one hundred thirty-five million, four hundred thirty-two thousand, one hundred forty-three".