140140423430 has 16 divisors (see below), whose sum is σ = 288288871200. Its totient is φ = 48048145152.

The previous prime is 140140423373. The next prime is 140140423433. The reversal of 140140423430 is 34324041041.

It is a self number, because there is not a number n which added to its sum of digits gives 140140423430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140423433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1001002955 + ... + 1001003094.

It is an arithmetic number, because the mean of its divisors is an integer number (18018054450).

Almost surely, 2^140140423430 is an apocalyptic number.

140140423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140140423430 is an abundant number, since it is smaller than the sum of its proper divisors (148148447770).

140140423430 is a wasteful number, since it uses less digits than its factorization.

140140423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002006063.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140140423430 its reverse (34324041041), we get a palindrome (174464464471).

The spelling of 140140423430 in words is "one hundred forty billion, one hundred forty million, four hundred twenty-three thousand, four hundred thirty".