135144346 has 8 divisors (see below), whose sum is σ = 202766580. Its totient is φ = 67555488.

The previous prime is 135144337. The next prime is 135144349. The reversal of 135144346 is 643441531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135140625 + 3721 = 11625^2 + 61^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135144349) 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 3 ways as a sum of consecutive naturals, for example, 8950 + ... + 18718.

Almost surely, 2^135144346 is an apocalyptic number.

135144346 is a deficient number, since it is larger than the sum of its proper divisors (67622234).

135144346 is an equidigital number, since it uses as much as digits as its factorization.

135144346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16688.

The product of its digits is 17280, while the sum is 31.

The square root of 135144346 is about 11625.1600419091. The cubic root of 135144346 is about 513.1755545721.

Adding to 135144346 its reverse (643441531), we get a palindrome (778585877).

The spelling of 135144346 in words is "one hundred thirty-five million, one hundred forty-four thousand, three hundred forty-six".