140812214 has 8 divisors (see below), whose sum is σ = 213192648. Its totient is φ = 69748000.

The previous prime is 140812213. The next prime is 140812223. The reversal of 140812214 is 412218041.

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

It is a super-2 number, since 2×140812214² = 39656159223163592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140812214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140812213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328787 + ... + 329214.

It is an arithmetic number, because the mean of its divisors is an integer number (26649081).

Almost surely, 2^140812214 is an apocalyptic number.

140812214 is a deficient number, since it is larger than the sum of its proper divisors (72380434).

140812214 is a wasteful number, since it uses less digits than its factorization.

140812214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658110.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 140812214 is about 11866.4322355121. The cubic root of 140812214 is about 520.2516213207.

The spelling of 140812214 in words is "one hundred forty million, eight hundred twelve thousand, two hundred fourteen".