140311241 has 4 divisors (see below), whose sum is σ = 160355712. Its totient is φ = 120266772.

The previous prime is 140311211. The next prime is 140311253. The reversal of 140311241 is 142113041.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 140311241 - 2¹⁰ = 140310217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140311211) 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, 10022225 + ... + 10022238.

It is an arithmetic number, because the mean of its divisors is an integer number (40088928).

Almost surely, 2^140311241 is an apocalyptic number.

It is an amenable number.

140311241 is a deficient number, since it is larger than the sum of its proper divisors (20044471).

140311241 is an equidigital number, since it uses as much as digits as its factorization.

140311241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044470.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 140311241 is about 11845.3045971811. The cubic root of 140311241 is about 519.6339151637.

Adding to 140311241 its reverse (142113041), we get a palindrome (282424282).

The spelling of 140311241 in words is "one hundred forty million, three hundred eleven thousand, two hundred forty-one".