140424406 has 8 divisors (see below), whose sum is σ = 213522264. Its totient is φ = 69250320.

The previous prime is 140424397. The next prime is 140424419. The reversal of 140424406 is 604424041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480760 + ... + 481051.

It is an arithmetic number, because the mean of its divisors is an integer number (26690283).

Almost surely, 2^140424406 is an apocalyptic number.

140424406 is a deficient number, since it is larger than the sum of its proper divisors (73097858).

140424406 is an equidigital number, since it uses as much as digits as its factorization.

140424406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961886.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 140424406 is about 11850.0804216680. The cubic root of 140424406 is about 519.7735774591.

Adding to 140424406 its reverse (604424041), we get a palindrome (744848447).

The spelling of 140424406 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred six".