140240311 has 8 divisors (see below), whose sum is σ = 152384000. Its totient is φ = 128572920.

The previous prime is 140240267. The next prime is 140240341. The reversal of 140240311 is 113042041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140240311 - 2¹³ = 140232119 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 (140240341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118461 + ... + 119638.

It is an arithmetic number, because the mean of its divisors is an integer number (19048000).

Almost surely, 2^140240311 is an apocalyptic number.

140240311 is a deficient number, since it is larger than the sum of its proper divisors (12143689).

140240311 is a wasteful number, since it uses less digits than its factorization.

140240311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238149.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140240311 is about 11842.3102053611. The cubic root of 140240311 is about 519.5463387970.

Adding to 140240311 its reverse (113042041), we get a palindrome (253282352).

The spelling of 140240311 in words is "one hundred forty million, two hundred forty thousand, three hundred eleven".