140114021 has 2 divisors, whose sum is σ = 140114022. Its totient is φ = 140114020.

The previous prime is 140113969. The next prime is 140114041. The reversal of 140114021 is 120411041.

140114021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92352100 + 47761921 = 9610^2 + 6911^2 .

It is an emirp because it is prime and its reverse (120411041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140114021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140113987 and 140114005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140114041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70057010 + 70057011.

It is an arithmetic number, because the mean of its divisors is an integer number (70057011).

Almost surely, 2^140114021 is an apocalyptic number.

It is an amenable number.

140114021 is a deficient number, since it is larger than the sum of its proper divisors (1).

140114021 is an equidigital number, since it uses as much as digits as its factorization.

140114021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 140114021 is about 11836.9768522203. The cubic root of 140114021 is about 519.3903370215.

Adding to 140114021 its reverse (120411041), we get a palindrome (260525062).

The spelling of 140114021 in words is "one hundred forty million, one hundred fourteen thousand, twenty-one".