140002019 has 2 divisors, whose sum is σ = 140002020. Its totient is φ = 140002018.

The previous prime is 140001997. The next prime is 140002063. The reversal of 140002019 is 910200041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140002019 is a prime.

It is a super-2 number, since 2×140002019² = 39201130648152722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140001988 and 140002006.

It is not a weakly prime, because it can be changed into another prime (140002069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70001009 + 70001010.

It is an arithmetic number, because the mean of its divisors is an integer number (70001010).

Almost surely, 2^140002019 is an apocalyptic number.

140002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

140002019 is an equidigital number, since it uses as much as digits as its factorization.

140002019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 140002019 is about 11832.2448842136. The cubic root of 140002019 is about 519.2519062792.

The spelling of 140002019 in words is "one hundred forty million, two thousand, nineteen".