140210453 has 2 divisors, whose sum is σ = 140210454. Its totient is φ = 140210452.

The previous prime is 140210449. The next prime is 140210467. The reversal of 140210453 is 354012041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111555844 + 28654609 = 10562^2 + 5353^2 .

It is a cyclic number.

It is not a de Polignac number, because 140210453 - 2² = 140210449 is a prime.

It is a super-2 number, since 2×140210453² = 39317942260930418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140210153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70105226 + 70105227.

It is an arithmetic number, because the mean of its divisors is an integer number (70105227).

Almost surely, 2^140210453 is an apocalyptic number.

It is an amenable number.

140210453 is a deficient number, since it is larger than the sum of its proper divisors (1).

140210453 is an equidigital number, since it uses as much as digits as its factorization.

140210453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140210453 is about 11841.0494889600. The cubic root of 140210453 is about 519.5094646735.

Adding to 140210453 its reverse (354012041), we get a palindrome (494222494).

The spelling of 140210453 in words is "one hundred forty million, two hundred ten thousand, four hundred fifty-three".