135145344 has 64 divisors (see below), whose sum is σ = 360357840. Its totient is φ = 44875776.

The previous prime is 135145333. The next prime is 135145369. The reversal of 135145344 is 443541531.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135054 + ... + 136050.

Almost surely, 2^135145344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135145344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180178920).

135145344 is an abundant number, since it is smaller than the sum of its proper divisors (225212496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135145344 is an equidigital number, since it uses as much as digits as its factorization.

135145344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1355 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 135145344 is about 11625.2029659701. The cubic root of 135145344 is about 513.1768177842.

Adding to 135145344 its reverse (443541531), we get a palindrome (578686875).

The spelling of 135145344 in words is "one hundred thirty-five million, one hundred forty-five thousand, three hundred forty-four".