136441230 has 64 divisors (see below), whose sum is σ = 349747200. Its totient is φ = 33989760.

The previous prime is 136441229. The next prime is 136441231. The reversal of 136441230 is 32144631.

It is an interprime number because it is at equal distance from previous prime (136441229) and next prime (136441231).

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 136441230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136441231) 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 31 ways as a sum of consecutive naturals, for example, 24441 + ... + 29499.

It is an arithmetic number, because the mean of its divisors is an integer number (5464800).

Almost surely, 2^136441230 is an apocalyptic number.

136441230 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 136441230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174873600).

136441230 is an abundant number, since it is smaller than the sum of its proper divisors (213305970).

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

136441230 is a wasteful number, since it uses less digits than its factorization.

136441230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 136441230 is about 11680.8060509538. The cubic root of 136441230 is about 514.8118582560.

Adding to 136441230 its reverse (32144631), we get a palindrome (168585861).

The spelling of 136441230 in words is "one hundred thirty-six million, four hundred forty-one thousand, two hundred thirty".