140454214 has 8 divisors (see below), whose sum is σ = 210736008. Its totient is φ = 70208880.

The previous prime is 140454121. The next prime is 140454227. The reversal of 140454214 is 412454041.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4714 + ... + 17410.

It is an arithmetic number, because the mean of its divisors is an integer number (26342001).

Almost surely, 2^140454214 is an apocalyptic number.

140454214 is a deficient number, since it is larger than the sum of its proper divisors (70281794).

140454214 is a wasteful number, since it uses less digits than its factorization.

140454214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 140454214 is about 11851.3380679145. The cubic root of 140454214 is about 519.8103524403.

The spelling of 140454214 in words is "one hundred forty million, four hundred fifty-four thousand, two hundred fourteen".