140205241 has 12 divisors (see below), whose sum is σ = 157699696. Its totient is φ = 124490520.

The previous prime is 140205223. The next prime is 140205253. The reversal of 140205241 is 142502041.

It is a de Polignac number, because none of the positive numbers 2^k-140205241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140205211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8271 + ... + 18676.

Almost surely, 2^140205241 is an apocalyptic number.

140205241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140205241 is a deficient number, since it is larger than the sum of its proper divisors (17494455).

140205241 is a wasteful number, since it uses less digits than its factorization.

140205241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27012 (or 27001 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140205241 is about 11840.8294050713. The cubic root of 140205241 is about 519.5030274053.

Adding to 140205241 its reverse (142502041), we get a palindrome (282707282).

The spelling of 140205241 in words is "one hundred forty million, two hundred five thousand, two hundred forty-one".