140505041 has 2 divisors, whose sum is σ = 140505042. Its totient is φ = 140505040.

The previous prime is 140505007. The next prime is 140505077.

140505041 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72607441 + 67897600 = 8521^2 + 8240^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 140505041 - 2⁶ = 140504977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140505941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70252520 + 70252521.

It is an arithmetic number, because the mean of its divisors is an integer number (70252521).

Almost surely, 2^140505041 is an apocalyptic number.

It is an amenable number.

140505041 is a deficient number, since it is larger than the sum of its proper divisors (1).

140505041 is an equidigital number, since it uses as much as digits as its factorization.

140505041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 140505041 is about 11853.4822309733. The cubic root of 140505041 is about 519.8730471641.

It can be divided in two parts, 14050 and 5041, that added together give a palindrome (19091).

The spelling of 140505041 in words is "one hundred forty million, five hundred five thousand, forty-one".