243740130 has 16 divisors (see below), whose sum is σ = 584976384. Its totient is φ = 64997360.

The previous prime is 243740111. The next prime is 243740141. The reversal of 243740130 is 31047342.

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 243740130.

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, 4062306 + ... + 4062365.

It is an arithmetic number, because the mean of its divisors is an integer number (36561024).

Almost surely, 2^243740130 is an apocalyptic number.

243740130 is an abundant number, since it is smaller than the sum of its proper divisors (341236254).

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

243740130 is a wasteful number, since it uses less digits than its factorization.

243740130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124681.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 243740130 is about 15612.1788998205. The cubic root of 243740130 is about 624.6580572210.

Adding to 243740130 its reverse (31047342), we get a palindrome (274787472).

The spelling of 243740130 in words is "two hundred forty-three million, seven hundred forty thousand, one hundred thirty".