136205430 has 16 divisors (see below), whose sum is σ = 326893104. Its totient is φ = 36321440.

The previous prime is 136205417. The next prime is 136205437. The reversal of 136205430 is 34502631.

It is a happy number.

It is a super-2 number, since 2×136205430² = 37103838322969800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136205430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136205437) by changing a digit.

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, 2270061 + ... + 2270120.

It is an arithmetic number, because the mean of its divisors is an integer number (20430819).

Almost surely, 2^136205430 is an apocalyptic number.

136205430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136205430 is an abundant number, since it is smaller than the sum of its proper divisors (190687674).

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

136205430 is a wasteful number, since it uses less digits than its factorization.

136205430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540191.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 136205430 is about 11670.7082047321. The cubic root of 136205430 is about 514.5151184452.

The spelling of 136205430 in words is "one hundred thirty-six million, two hundred five thousand, four hundred thirty".