135102448 has 80 divisors (see below), whose sum is σ = 292168800. Its totient is φ = 60134400.

The previous prime is 135102439. The next prime is 135102449. The reversal of 135102448 is 844201531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135102449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239418 + ... + 1239526.

It is an arithmetic number, because the mean of its divisors is an integer number (3652110).

Almost surely, 2^135102448 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 135102448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146084400).

135102448 is an abundant number, since it is smaller than the sum of its proper divisors (157066352).

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

135102448 is a wasteful number, since it uses less digits than its factorization.

135102448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 135102448 is about 11623.3578625112. The cubic root of 135102448 is about 513.1225168329.

Adding to 135102448 its reverse (844201531), we get a palindrome (979303979).

The spelling of 135102448 in words is "one hundred thirty-five million, one hundred two thousand, four hundred forty-eight".