135103144 has 32 divisors (see below), whose sum is σ = 280146240. Its totient is φ = 60566400.

The previous prime is 135103123. The next prime is 135103147. The reversal of 135103144 is 441301531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (135103147) 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, 4092 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (8754570).

Almost surely, 2^135103144 is an apocalyptic number.

It is an amenable number.

135103144 is an abundant number, since it is smaller than the sum of its proper divisors (145043096).

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

135103144 is a wasteful number, since it uses less digits than its factorization.

135103144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121 (or 21117 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 135103144 is about 11623.3878021857. The cubic root of 135103144 is about 513.1233979733.

Adding to 135103144 its reverse (441301531), we get a palindrome (576404675).

The spelling of 135103144 in words is "one hundred thirty-five million, one hundred three thousand, one hundred forty-four".