135435143 has 8 divisors (see below), whose sum is σ = 136950912. Its totient is φ = 133924216.

The previous prime is 135435103. The next prime is 135435161. The reversal of 135435143 is 341534531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135435143 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 (135435103) 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 7 ways as a sum of consecutive naturals, for example, 94196 + ... + 95622.

It is an arithmetic number, because the mean of its divisors is an integer number (17118864).

Almost surely, 2^135435143 is an apocalyptic number.

135435143 is a deficient number, since it is larger than the sum of its proper divisors (1515769).

135435143 is a wasteful number, since it uses less digits than its factorization.

135435143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its digits is 10800, while the sum is 29.

The square root of 135435143 is about 11637.6605466906. The cubic root of 135435143 is about 513.5433662458.

Adding to 135435143 its reverse (341534531), we get a palindrome (476969674).

The spelling of 135435143 in words is "one hundred thirty-five million, four hundred thirty-five thousand, one hundred forty-three".