135144161 has 8 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 131532400.

The previous prime is 135144157. The next prime is 135144253. The reversal of 135144161 is 161441531.

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

It is a cyclic number.

It is not a de Polignac number, because 135144161 - 2² = 135144157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135144161.

It is not an unprimeable number, because it can be changed into a prime (135144661) 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, 5381 + ... + 17298.

It is an arithmetic number, because the mean of its divisors is an integer number (17350200).

Almost surely, 2^135144161 is an apocalyptic number.

It is an amenable number.

135144161 is a deficient number, since it is larger than the sum of its proper divisors (3657439).

135144161 is a wasteful number, since it uses less digits than its factorization.

135144161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22839.

The product of its digits is 1440, while the sum is 26.

The square root of 135144161 is about 11625.1520850267. The cubic root of 135144161 is about 513.1753204088.

Adding to 135144161 its reverse (161441531), we get a palindrome (296585692).

The spelling of 135144161 in words is "one hundred thirty-five million, one hundred forty-four thousand, one hundred sixty-one".