135232143 has 8 divisors (see below), whose sum is σ = 180364800. Its totient is φ = 90127128.

The previous prime is 135232117. The next prime is 135232171. The reversal of 135232143 is 341232531.

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

It is not a de Polignac number, because 135232143 - 2⁶ = 135232079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135232183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11568 + ... + 20106.

It is an arithmetic number, because the mean of its divisors is an integer number (22545600).

Almost surely, 2^135232143 is an apocalyptic number.

135232143 is a deficient number, since it is larger than the sum of its proper divisors (45132657).

135232143 is an equidigital number, since it uses as much as digits as its factorization.

135232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13821.

The product of its digits is 2160, while the sum is 24.

The square root of 135232143 is about 11628.9355918760. The cubic root of 135232143 is about 513.2866592840.

Adding to 135232143 its reverse (341232531), we get a palindrome (476464674).

The spelling of 135232143 in words is "one hundred thirty-five million, two hundred thirty-two thousand, one hundred forty-three".