140782430 has 16 divisors (see below), whose sum is σ = 259302384. Its totient is φ = 55003200.

The previous prime is 140782429. The next prime is 140782441. The reversal of 140782430 is 34287041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140782393 and 140782402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163271 + ... + 164130.

It is an arithmetic number, because the mean of its divisors is an integer number (16206399).

Almost surely, 2^140782430 is an apocalyptic number.

140782430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140782430 is a deficient number, since it is larger than the sum of its proper divisors (118519954).

140782430 is a wasteful number, since it uses less digits than its factorization.

140782430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327451.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140782430 is about 11865.1772005310. The cubic root of 140782430 is about 520.2149382649.

The spelling of 140782430 in words is "one hundred forty million, seven hundred eighty-two thousand, four hundred thirty".