140866668041 has 4 divisors (see below), whose sum is σ = 153672728784. Its totient is φ = 128060607300.

The previous prime is 140866668029. The next prime is 140866668053.

140866668041 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (140866668029) and next prime (140866668053).

It is a cyclic number.

It is not a de Polignac number, because 140866668041 - 2¹⁰ = 140866667017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140866668011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6403030355 + ... + 6403030376.

It is an arithmetic number, because the mean of its divisors is an integer number (38418182196).

Almost surely, 2^140866668041 is an apocalyptic number.

140866668041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140866668041 is a deficient number, since it is larger than the sum of its proper divisors (12806060743).

140866668041 is a wasteful number, since it uses less digits than its factorization.

140866668041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806060742.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 140866668041 in words is "one hundred forty billion, eight hundred sixty-six million, six hundred sixty-eight thousand, forty-one".