140430140 has 24 divisors (see below), whose sum is σ = 310425360. Its totient is φ = 53215488.

The previous prime is 140430091. The next prime is 140430161. The reversal of 140430140 is 41034041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184397 + ... + 185156.

It is an arithmetic number, because the mean of its divisors is an integer number (12934390).

Almost surely, 2^140430140 is an apocalyptic number.

140430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140430140 is an abundant number, since it is smaller than the sum of its proper divisors (169995220).

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

140430140 is a wasteful number, since it uses less digits than its factorization.

140430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369581 (or 369579 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140430140 is about 11850.3223584846. The cubic root of 140430140 is about 519.7806520630.

Adding to 140430140 its reverse (41034041), we get a palindrome (181464181).

The spelling of 140430140 in words is "one hundred forty million, four hundred thirty thousand, one hundred forty".