135899886 has 16 divisors (see below), whose sum is σ = 273168000. Its totient is φ = 45071928.

The previous prime is 135899867. The next prime is 135899891. The reversal of 135899886 is 688998531.

135899886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55716 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (17073000).

Almost surely, 2^135899886 is an apocalyptic number.

135899886 is an abundant number, since it is smaller than the sum of its proper divisors (137268114).

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

135899886 is a wasteful number, since it uses less digits than its factorization.

135899886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114023.

The product of its digits is 3732480, while the sum is 57.

The square root of 135899886 is about 11657.6106471266. The cubic root of 135899886 is about 514.1301002511.

The spelling of 135899886 in words is "one hundred thirty-five million, eight hundred ninety-nine thousand, eight hundred eighty-six".