136385430 has 64 divisors (see below), whose sum is σ = 344383488. Its totient is φ = 34519680.

The previous prime is 136385419. The next prime is 136385449. The reversal of 136385430 is 34583631.

136385430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136385391 and 136385400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47907 + ... + 50673.

It is an arithmetic number, because the mean of its divisors is an integer number (5380992).

Almost surely, 2^136385430 is an apocalyptic number.

136385430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136385430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172191744).

136385430 is an abundant number, since it is smaller than the sum of its proper divisors (207998058).

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

136385430 is a wasteful number, since it uses less digits than its factorization.

136385430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 136385430 is about 11678.4172729013. The cubic root of 136385430 is about 514.7416682832.

The spelling of 136385430 in words is "one hundred thirty-six million, three hundred eighty-five thousand, four hundred thirty".