140204134241 has 2 divisors, whose sum is σ = 140204134242. Its totient is φ = 140204134240.

The previous prime is 140204134171. The next prime is 140204134243. The reversal of 140204134241 is 142431402041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136120413025 + 4083721216 = 368945^2 + 63904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140204134241 is a prime.

Together with 140204134243, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140204134241.

It is not a weakly prime, because it can be changed into another prime (140204134243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70102067120 + 70102067121.

It is an arithmetic number, because the mean of its divisors is an integer number (70102067121).

Almost surely, 2^140204134241 is an apocalyptic number.

It is an amenable number.

140204134241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140204134241 is an equidigital number, since it uses as much as digits as its factorization.

140204134241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140204134241 its reverse (142431402041), we get a palindrome (282635536282).

The spelling of 140204134241 in words is "one hundred forty billion, two hundred four million, one hundred thirty-four thousand, two hundred forty-one".