135020304 has 160 divisors (see below), whose sum is σ = 411402240. Its totient is φ = 42311808.

The previous prime is 135020299. The next prime is 135020321. The reversal of 135020304 is 403020531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063089 + ... + 1063215.

It is an arithmetic number, because the mean of its divisors is an integer number (2571264).

Almost surely, 2^135020304 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 135020304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205701120).

135020304 is an abundant number, since it is smaller than the sum of its proper divisors (276381936).

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

135020304 is a wasteful number, since it uses less digits than its factorization.

135020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 135020304 is about 11619.8237508148. The cubic root of 135020304 is about 513.0185007520.

Adding to 135020304 its reverse (403020531), we get a palindrome (538040835).

The spelling of 135020304 in words is "one hundred thirty-five million, twenty thousand, three hundred four".