136305230 has 16 divisors (see below), whose sum is σ = 245700000. Its totient is φ = 54444192.

The previous prime is 136305203. The next prime is 136305317. The reversal of 136305230 is 32503631.

It is a junction number, because it is equal to n+sod(n) for n = 136305196 and 136305205.

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, 2105 + ... + 16644.

It is an arithmetic number, because the mean of its divisors is an integer number (15356250).

Almost surely, 2^136305230 is an apocalyptic number.

136305230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136305230 is a deficient number, since it is larger than the sum of its proper divisors (109394770).

136305230 is a wasteful number, since it uses less digits than its factorization.

136305230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19483.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 136305230 is about 11674.9830834995. The cubic root of 136305230 is about 514.6407523806.

Adding to 136305230 its reverse (32503631), we get a palindrome (168808861).

The spelling of 136305230 in words is "one hundred thirty-six million, three hundred five thousand, two hundred thirty".