136835420 has 24 divisors (see below), whose sum is σ = 287736624. Its totient is φ = 54661376.

The previous prime is 136835407. The next prime is 136835437. The reversal of 136835420 is 24538631.

136835420 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, 12404 + ... + 20676.

It is an arithmetic number, because the mean of its divisors is an integer number (11989026).

Almost surely, 2^136835420 is an apocalyptic number.

136835420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136835420 is an abundant number, since it is smaller than the sum of its proper divisors (150901204).

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

136835420 is a wasteful number, since it uses less digits than its factorization.

136835420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109 (or 9107 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 136835420 is about 11697.6672888230. The cubic root of 136835420 is about 515.3071595876.

The spelling of 136835420 in words is "one hundred thirty-six million, eight hundred thirty-five thousand, four hundred twenty".