140343230 has 16 divisors (see below), whose sum is σ = 256079664. Its totient is φ = 55368000.

The previous prime is 140343227. The next prime is 140343239. The reversal of 140343230 is 32343041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140343239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95396 + ... + 96855.

It is an arithmetic number, because the mean of its divisors is an integer number (16004979).

Almost surely, 2^140343230 is an apocalyptic number.

140343230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140343230 is a deficient number, since it is larger than the sum of its proper divisors (115736434).

140343230 is a wasteful number, since it uses less digits than its factorization.

140343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192331.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 140343230 is about 11846.6548020950. The cubic root of 140343230 is about 519.6734019174.

Adding to 140343230 its reverse (32343041), we get a palindrome (172686271).

The spelling of 140343230 in words is "one hundred forty million, three hundred forty-three thousand, two hundred thirty".