140740311 has 12 divisors (see below), whose sum is σ = 190902392. Its totient is φ = 92229744.

The previous prime is 140740309. The next prime is 140740321. The reversal of 140740311 is 113047041.

140740311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140740311 - 2¹ = 140740309 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 (140740321) 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, 3705 + ... + 17181.

Almost surely, 2^140740311 is an apocalyptic number.

140740311 is a deficient number, since it is larger than the sum of its proper divisors (50162081).

140740311 is an equidigital number, since it uses as much as digits as its factorization.

140740311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13598 (or 13539 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 140740311 is about 11863.4021680123. The cubic root of 140740311 is about 520.1630541426.

Adding to 140740311 its reverse (113047041), we get a palindrome (253787352).

The spelling of 140740311 in words is "one hundred forty million, seven hundred forty thousand, three hundred eleven".