140524052021 has 2 divisors, whose sum is σ = 140524052022. Its totient is φ = 140524052020.

The previous prime is 140524051991. The next prime is 140524052033. The reversal of 140524052021 is 120250425041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113460511921 + 27063540100 = 336839^2 + 164510^2 .

It is a cyclic number.

It is not a de Polignac number, because 140524052021 - 2¹⁸ = 140523789877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140524058021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70262026010 + 70262026011.

It is an arithmetic number, because the mean of its divisors is an integer number (70262026011).

Almost surely, 2^140524052021 is an apocalyptic number.

It is an amenable number.

140524052021 is a deficient number, since it is larger than the sum of its proper divisors (1).

140524052021 is an equidigital number, since it uses as much as digits as its factorization.

140524052021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 140524052021 its reverse (120250425041), we get a palindrome (260774477062).

The spelling of 140524052021 in words is "one hundred forty billion, five hundred twenty-four million, fifty-two thousand, twenty-one".