140395219 has 2 divisors, whose sum is σ = 140395220. Its totient is φ = 140395218.

The previous prime is 140395183. The next prime is 140395223. The reversal of 140395219 is 912593041.

It is a strong prime.

It is an emirp because it is prime and its reverse (912593041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140395219 - 2⁹ = 140394707 is a prime.

It is a super-2 number, since 2×140395219² = 39421635036115922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140395019) by changing a digit.

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 as a sum of consecutive naturals, namely, 70197609 + 70197610.

It is an arithmetic number, because the mean of its divisors is an integer number (70197610).

Almost surely, 2^140395219 is an apocalyptic number.

140395219 is a deficient number, since it is larger than the sum of its proper divisors (1).

140395219 is an equidigital number, since it uses as much as digits as its factorization.

140395219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 140395219 is about 11848.8488470400. The cubic root of 140395219 is about 519.7375635804.

The spelling of 140395219 in words is "one hundred forty million, three hundred ninety-five thousand, two hundred nineteen".