140205431030 has 16 divisors (see below), whose sum is σ = 288422601120. Its totient is φ = 48070433472.

The previous prime is 140205430997. The next prime is 140205431057. The reversal of 140205431030 is 30134502041.

It is a junction number, because it is equal to n+sod(n) for n = 140205430987 and 140205431005.

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, 1001467295 + ... + 1001467434.

It is an arithmetic number, because the mean of its divisors is an integer number (18026412570).

Almost surely, 2^140205431030 is an apocalyptic number.

140205431030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140205431030 is an abundant number, since it is smaller than the sum of its proper divisors (148217170090).

140205431030 is a wasteful number, since it uses less digits than its factorization.

140205431030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002934743.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 140205431030 its reverse (30134502041), we get a palindrome (170339933071).

The spelling of 140205431030 in words is "one hundred forty billion, two hundred five million, four hundred thirty-one thousand, thirty".