140660141 has 2 divisors, whose sum is σ = 140660142. Its totient is φ = 140660140.

The previous prime is 140660129. The next prime is 140660161. The reversal of 140660141 is 141066041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128029225 + 12630916 = 11315^2 + 3554^2 .

It is a cyclic number.

It is not a de Polignac number, because 140660141 - 2²⁶ = 73551277 is a prime.

It is a super-2 number, since 2×140660141² = 39570550532279762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140660161) 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, 70330070 + 70330071.

It is an arithmetic number, because the mean of its divisors is an integer number (70330071).

Almost surely, 2^140660141 is an apocalyptic number.

It is an amenable number.

140660141 is a deficient number, since it is larger than the sum of its proper divisors (1).

140660141 is an equidigital number, since it uses as much as digits as its factorization.

140660141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 140660141 is about 11860.0228077352. The cubic root of 140660141 is about 520.0642684372.

The spelling of 140660141 in words is "one hundred forty million, six hundred sixty thousand, one hundred forty-one".