140593830 has 32 divisors (see below), whose sum is σ = 363381984. Its totient is φ = 34607616.

The previous prime is 140593829. The next prime is 140593847. The reversal of 140593830 is 38395041.

140593830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140593791 and 140593800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179859 + ... + 180638.

It is an arithmetic number, because the mean of its divisors is an integer number (11355687).

Almost surely, 2^140593830 is an apocalyptic number.

140593830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140593830 is an abundant number, since it is smaller than the sum of its proper divisors (222788154).

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

140593830 is a wasteful number, since it uses less digits than its factorization.

140593830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360520.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 140593830 is about 11857.2269102012. The cubic root of 140593830 is about 519.9825314645.

The spelling of 140593830 in words is "one hundred forty million, five hundred ninety-three thousand, eight hundred thirty".