234573140 has 24 divisors (see below), whose sum is σ = 521581032. Its totient is φ = 88309760.

The previous prime is 234573139. The next prime is 234573151. The reversal of 234573140 is 41375432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32307856 + 202265284 = 5684^2 + 14222^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344621 + ... + 345300.

It is an arithmetic number, because the mean of its divisors is an integer number (21732543).

Almost surely, 2^234573140 is an apocalyptic number.

234573140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234573140 is an abundant number, since it is smaller than the sum of its proper divisors (287007892).

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

234573140 is a wasteful number, since it uses less digits than its factorization.

234573140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689947 (or 689945 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 234573140 is about 15315.7807505853. The cubic root of 234573140 is about 616.7267137373.

The spelling of 234573140 in words is "two hundred thirty-four million, five hundred seventy-three thousand, one hundred forty".