140419 has 2 divisors, whose sum is σ = 140420. Its totient is φ = 140418.

The previous prime is 140417. The next prime is 140423. The reversal of 140419 is 914041.

It is a weak prime.

It is an emirp because it is prime and its reverse (914041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140419 - 2¹ = 140417 is a prime.

It is a super-2 number, since 2×140419² = 39434991122, which contains 22 as substring.

Together with 140417, it forms a pair of twin primes.

It is a Chen prime.

140419 is a lucky number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 140396 and 140405.

It is not a weakly prime, because it can be changed into another prime (140411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70209 + 70210.

It is an arithmetic number, because the mean of its divisors is an integer number (70210).

2¹⁴⁰⁴¹⁹ is an apocalyptic number.

140419 is a deficient number, since it is larger than the sum of its proper divisors (1).

140419 is an equidigital number, since it uses as much as digits as its factorization.

140419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 140419 is about 374.7252326706. The cubic root of 140419 is about 51.9766907365.

The spelling of 140419 in words is "one hundred forty thousand, four hundred nineteen".