135130020 has 48 divisors (see below), whose sum is σ = 378883008. Its totient is φ = 35985280.

The previous prime is 135130013. The next prime is 135130027. The reversal of 135130020 is 20031531.

It is a happy number.

135130020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135130013) and next prime (135130027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (135130027) 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 in 15 ways as a sum of consecutive naturals, for example, 69907 + ... + 71813.

It is an arithmetic number, because the mean of its divisors is an integer number (7893396).

Almost surely, 2^135130020 is an apocalyptic number.

135130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135130020 is an abundant number, since it is smaller than the sum of its proper divisors (243752988).

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

135130020 is a wasteful number, since it uses less digits than its factorization.

135130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 135130020 is about 11624.5438620188. The cubic root of 135130020 is about 513.1574208432.

Adding to 135130020 its reverse (20031531), we get a palindrome (155161551).

The spelling of 135130020 in words is "one hundred thirty-five million, one hundred thirty thousand, twenty".