140586041 has 4 divisors (see below), whose sum is σ = 141978084. Its totient is φ = 139194000.

The previous prime is 140585999. The next prime is 140586067. The reversal of 140586041 is 140685041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76650025 + 63936016 = 8755^2 + 7996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140586041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140585995 and 140586013.

It is not an unprimeable number, because it can be changed into a prime (140586241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695870 + ... + 696071.

It is an arithmetic number, because the mean of its divisors is an integer number (35494521).

Almost surely, 2^140586041 is an apocalyptic number.

It is an amenable number.

140586041 is a deficient number, since it is larger than the sum of its proper divisors (1392043).

140586041 is a wasteful number, since it uses less digits than its factorization.

140586041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392042.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 140586041 is about 11856.8984561731. The cubic root of 140586041 is about 519.9729288175.

The spelling of 140586041 in words is "one hundred forty million, five hundred eighty-six thousand, forty-one".