140424419 has 2 divisors, whose sum is σ = 140424420. Its totient is φ = 140424418.

The previous prime is 140424397. The next prime is 140424491. The reversal of 140424419 is 914424041.

Together with next prime (140424491) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140424419 is a prime.

It is a super-2 number, since 2×140424419² = 39438034902975122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140424391 and 140424400.

It is not a weakly prime, because it can be changed into another prime (140420419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212209 + 70212210.

It is an arithmetic number, because the mean of its divisors is an integer number (70212210).

Almost surely, 2^140424419 is an apocalyptic number.

140424419 is a deficient number, since it is larger than the sum of its proper divisors (1).

140424419 is an equidigital number, since it uses as much as digits as its factorization.

140424419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 140424419 is about 11850.0809701875. The cubic root of 140424419 is about 519.7735934987.

The spelling of 140424419 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred nineteen".