140212346 has 8 divisors (see below), whose sum is σ = 210483360. Its totient is φ = 70051228.

The previous prime is 140212339. The next prime is 140212363. The reversal of 140212346 is 643212041.

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

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, 24206 + ... + 29433.

It is an arithmetic number, because the mean of its divisors is an integer number (26310420).

Almost surely, 2^140212346 is an apocalyptic number.

140212346 is a deficient number, since it is larger than the sum of its proper divisors (70271014).

140212346 is a wasteful number, since it uses less digits than its factorization.

140212346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54948.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140212346 is about 11841.1294224833. The cubic root of 140212346 is about 519.5118026518.

Adding to 140212346 its reverse (643212041), we get a palindrome (783424387).

The spelling of 140212346 in words is "one hundred forty million, two hundred twelve thousand, three hundred forty-six".