135903860 has 24 divisors (see below), whose sum is σ = 295240680. Its totient is φ = 52486784.

The previous prime is 135903853. The next prime is 135903871. The reversal of 135903860 is 68309531.

It can be written as a sum of positive squares in 4 ways, for example, as 25989604 + 109914256 = 5098^2 + 10484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135903860.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116579 + ... + 117738.

It is an arithmetic number, because the mean of its divisors is an integer number (12301695).

Almost surely, 2^135903860 is an apocalyptic number.

135903860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135903860 is an abundant number, since it is smaller than the sum of its proper divisors (159336820).

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

135903860 is a wasteful number, since it uses less digits than its factorization.

135903860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234355 (or 234353 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 135903860 is about 11657.7810924721. The cubic root of 135903860 is about 514.1351116193.

The spelling of 135903860 in words is "one hundred thirty-five million, nine hundred three thousand, eight hundred sixty".