140205341 has 4 divisors (see below), whose sum is σ = 148452732. Its totient is φ = 131957952.

The previous prime is 140205323. The next prime is 140205353. The reversal of 140205341 is 143502041.

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 38800441 + 101404900 = 6229^2 + 10070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140205341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140205301) 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, 4123670 + ... + 4123703.

It is an arithmetic number, because the mean of its divisors is an integer number (37113183).

Almost surely, 2^140205341 is an apocalyptic number.

It is an amenable number.

140205341 is a deficient number, since it is larger than the sum of its proper divisors (8247391).

140205341 is an equidigital number, since it uses as much as digits as its factorization.

140205341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247390.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140205341 is about 11840.8336277477. The cubic root of 140205341 is about 519.5031509154.

Adding to 140205341 its reverse (143502041), we get a palindrome (283707382).

The spelling of 140205341 in words is "one hundred forty million, two hundred five thousand, three hundred forty-one".