135244120 has 48 divisors (see below), whose sum is σ = 334489680. Its totient is φ = 49177920.

The previous prime is 135244111. The next prime is 135244127. The reversal of 135244120 is 21442531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135244091 and 135244100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135244127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9132 + ... + 18811.

It is an arithmetic number, because the mean of its divisors is an integer number (6968535).

Almost surely, 2^135244120 is an apocalyptic number.

135244120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135244120 is an abundant number, since it is smaller than the sum of its proper divisors (199245560).

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

135244120 is a wasteful number, since it uses less digits than its factorization.

135244120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27976 (or 27961 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 135244120 is about 11629.4505459200. The cubic root of 135244120 is about 513.3018121234.

Adding to 135244120 its reverse (21442531), we get a palindrome (156686651).

The spelling of 135244120 in words is "one hundred thirty-five million, two hundred forty-four thousand, one hundred twenty".