136243030 has 128 divisors (see below), whose sum is σ = 327628800. Its totient is φ = 40360320.

The previous prime is 136243021. The next prime is 136243043. The reversal of 136243030 is 30342631.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 136242992 and 136243010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 867712 + ... + 867868.

It is an arithmetic number, because the mean of its divisors is an integer number (2559600).

Almost surely, 2^136243030 is an apocalyptic number.

136243030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136243030 is an abundant number, since it is smaller than the sum of its proper divisors (191385770).

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

136243030 is a wasteful number, since it uses less digits than its factorization.

136243030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 136243030 is about 11672.3189641133. The cubic root of 136243030 is about 514.5624586738.

Adding to 136243030 its reverse (30342631), we get a palindrome (166585661).

The spelling of 136243030 in words is "one hundred thirty-six million, two hundred forty-three thousand, thirty".