135143155 has 8 divisors (see below), whose sum is σ = 185339232. Its totient is φ = 92669568.

The previous prime is 135143131. The next prime is 135143159. The reversal of 135143155 is 551341531.

135143155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-135143155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135143159) 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, 1930582 + ... + 1930651.

It is an arithmetic number, because the mean of its divisors is an integer number (23167404).

Almost surely, 2^135143155 is an apocalyptic number.

135143155 is a deficient number, since it is larger than the sum of its proper divisors (50196077).

135143155 is an equidigital number, since it uses as much as digits as its factorization.

135143155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861245.

The product of its digits is 4500, while the sum is 28.

The square root of 135143155 is about 11625.1088166950. The cubic root of 135143155 is about 513.1740470632.

Adding to 135143155 its reverse (551341531), we get a palindrome (686484686).

The spelling of 135143155 in words is "one hundred thirty-five million, one hundred forty-three thousand, one hundred fifty-five".