234340140 has 24 divisors (see below), whose sum is σ = 656152560. Its totient is φ = 62490688.

The previous prime is 234340103. The next prime is 234340159. The reversal of 234340140 is 41043432.

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, 1952775 + ... + 1952894.

It is an arithmetic number, because the mean of its divisors is an integer number (27339690).

Almost surely, 2^234340140 is an apocalyptic number.

234340140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234340140 is an abundant number, since it is smaller than the sum of its proper divisors (421812420).

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

234340140 is a wasteful number, since it uses less digits than its factorization.

234340140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905681 (or 3905679 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 234340140 is about 15308.1723272244. The cubic root of 234340140 is about 616.5224491904.

Adding to 234340140 its reverse (41043432), we get a palindrome (275383572).

The spelling of 234340140 in words is "two hundred thirty-four million, three hundred forty thousand, one hundred forty".