136230220 has 24 divisors (see below), whose sum is σ = 326952864. Its totient is φ = 46707456.

The previous prime is 136230203. The next prime is 136230221. The reversal of 136230220 is 22032631.

It is not an unprimeable number, because it can be changed into a prime (136230221) 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, 486397 + ... + 486676.

It is an arithmetic number, because the mean of its divisors is an integer number (13623036).

Almost surely, 2^136230220 is an apocalyptic number.

136230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136230220 is an abundant number, since it is smaller than the sum of its proper divisors (190722644).

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

136230220 is a wasteful number, since it uses less digits than its factorization.

136230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973089 (or 973087 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 136230220 is about 11671.7702170665. The cubic root of 136230220 is about 514.5463312391.

Adding to 136230220 its reverse (22032631), we get a palindrome (158262851).

The spelling of 136230220 in words is "one hundred thirty-six million, two hundred thirty thousand, two hundred twenty".