140454202247 has 2 divisors, whose sum is σ = 140454202248. Its totient is φ = 140454202246.

The previous prime is 140454202223. The next prime is 140454202363. The reversal of 140454202247 is 742202454041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140454202247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140454201247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70227101123 + 70227101124.

It is an arithmetic number, because the mean of its divisors is an integer number (70227101124).

Almost surely, 2^140454202247 is an apocalyptic number.

140454202247 is a deficient number, since it is larger than the sum of its proper divisors (1).

140454202247 is an equidigital number, since it uses as much as digits as its factorization.

140454202247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 35.

Adding to 140454202247 its reverse (742202454041), we get a palindrome (882656656288).

The spelling of 140454202247 in words is "one hundred forty billion, four hundred fifty-four million, two hundred two thousand, two hundred forty-seven".