135488420 has 12 divisors (see below), whose sum is σ = 284525724. Its totient is φ = 54195360.

The previous prime is 135488407. The next prime is 135488467. The reversal of 135488420 is 24884531.

It can be written as a sum of positive squares in 2 ways, for example, as 95140516 + 40347904 = 9754^2 + 6352^2 .

It is a super-2 number, since 2×135488420² = 36714223908192800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387191 + ... + 3387230.

It is an arithmetic number, because the mean of its divisors is an integer number (23710477).

Almost surely, 2^135488420 is an apocalyptic number.

135488420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135488420 is an abundant number, since it is smaller than the sum of its proper divisors (149037304).

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

135488420 is a wasteful number, since it uses less digits than its factorization.

135488420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774430 (or 6774428 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 135488420 is about 11639.9493126044. The cubic root of 135488420 is about 513.6106960454.

The spelling of 135488420 in words is "one hundred thirty-five million, four hundred eighty-eight thousand, four hundred twenty".