140402021143 has 2 divisors, whose sum is σ = 140402021144. Its totient is φ = 140402021142.

The previous prime is 140402021119. The next prime is 140402021147. The reversal of 140402021143 is 341120204041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140402021143 - 2⁹ = 140402020631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140402021147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70201010571 + 70201010572.

It is an arithmetic number, because the mean of its divisors is an integer number (70201010572).

Almost surely, 2^140402021143 is an apocalyptic number.

140402021143 is a deficient number, since it is larger than the sum of its proper divisors (1).

140402021143 is an equidigital number, since it uses as much as digits as its factorization.

140402021143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140402021143 its reverse (341120204041), we get a palindrome (481522225184).

The spelling of 140402021143 in words is "one hundred forty billion, four hundred two million, twenty-one thousand, one hundred forty-three".