140214305 has 16 divisors (see below), whose sum is σ = 209775744. Its totient is φ = 87406080.

The previous prime is 140214289. The next prime is 140214323. The reversal of 140214305 is 503412041.

It is not a de Polignac number, because 140214305 - 2⁴ = 140214289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181712 + ... + 182481.

It is an arithmetic number, because the mean of its divisors is an integer number (13110984).

Almost surely, 2^140214305 is an apocalyptic number.

It is an amenable number.

140214305 is a deficient number, since it is larger than the sum of its proper divisors (69561439).

140214305 is a wasteful number, since it uses less digits than its factorization.

140214305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364216.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140214305 is about 11841.2121423442. The cubic root of 140214305 is about 519.5142221223.

Adding to 140214305 its reverse (503412041), we get a palindrome (643626346).

The spelling of 140214305 in words is "one hundred forty million, two hundred fourteen thousand, three hundred five".