135245144 has 8 divisors (see below), whose sum is σ = 253584660. Its totient is φ = 67622568.

The previous prime is 135245137. The next prime is 135245147. The reversal of 135245144 is 441542531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135245147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8452814 + ... + 8452829.

Almost surely, 2^135245144 is an apocalyptic number.

It is an amenable number.

135245144 is a deficient number, since it is larger than the sum of its proper divisors (118339516).

135245144 is a wasteful number, since it uses less digits than its factorization.

135245144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16905649 (or 16905645 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 135245144 is about 11629.4945719924. The cubic root of 135245144 is about 513.3031076073.

Adding to 135245144 its reverse (441542531), we get a palindrome (576787675).

The spelling of 135245144 in words is "one hundred thirty-five million, two hundred forty-five thousand, one hundred forty-four".