135905500 has 24 divisors (see below), whose sum is σ = 296818704. Its totient is φ = 54362000.

The previous prime is 135905491. The next prime is 135905503. The reversal of 135905500 is 5509531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135905503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 135406 + ... + 136405.

It is an arithmetic number, because the mean of its divisors is an integer number (12367446).

Almost surely, 2^135905500 is an apocalyptic number.

135905500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135905500 is an abundant number, since it is smaller than the sum of its proper divisors (160913204).

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

135905500 is a wasteful number, since it uses less digits than its factorization.

135905500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271830 (or 271818 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 135905500 is about 11657.8514315460. The cubic root of 135905500 is about 514.1371796944.

The spelling of 135905500 in words is "one hundred thirty-five million, nine hundred five thousand, five hundred".