2140007 has 2 divisors, whose sum is σ = 2140008. Its totient is φ = 2140006.

The previous prime is 2140003. The next prime is 2140013. The reversal of 2140007 is 7000412.

It is a happy number.

2140007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140007 - 2² = 2140003 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2139973 and 2140000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140001) 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, 1070003 + 1070004.

It is an arithmetic number, because the mean of its divisors is an integer number (1070004).

2^2140007 is an apocalyptic number.

2140007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140007 is an equidigital number, since it uses as much as digits as its factorization.

2140007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2140007 is about 1462.8762763816. The cubic root of 2140007 is about 128.8660147620.

Adding to 2140007 its reverse (7000412), we get a palindrome (9140419).

The spelling of 2140007 in words is "two million, one hundred forty thousand, seven".