140431452353 has 2 divisors, whose sum is σ = 140431452354. Its totient is φ = 140431452352.

The previous prime is 140431452277. The next prime is 140431452379. The reversal of 140431452353 is 353254134041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70231360144 + 70200092209 = 265012^2 + 264953^2 .

It is a cyclic number.

It is not a de Polignac number, because 140431452353 - 2¹⁶ = 140431386817 is a prime.

It is not a weakly prime, because it can be changed into another prime (140431452053) 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, 70215726176 + 70215726177.

It is an arithmetic number, because the mean of its divisors is an integer number (70215726177).

Almost surely, 2^140431452353 is an apocalyptic number.

It is an amenable number.

140431452353 is a deficient number, since it is larger than the sum of its proper divisors (1).

140431452353 is an equidigital number, since it uses as much as digits as its factorization.

140431452353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 140431452353 its reverse (353254134041), we get a palindrome (493685586394).

The spelling of 140431452353 in words is "one hundred forty billion, four hundred thirty-one million, four hundred fifty-two thousand, three hundred fifty-three".