140040234311 has 4 divisors (see below), whose sum is σ = 143455849824. Its totient is φ = 136624618800.

The previous prime is 140040234253. The next prime is 140040234319. The reversal of 140040234311 is 113432040041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140040234311 - 2³⁰ = 138966492487 is a prime.

It is a super-2 number, since 2×140040234311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140040234319) 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, 1707807695 + ... + 1707807776.

It is an arithmetic number, because the mean of its divisors is an integer number (35863962456).

Almost surely, 2^140040234311 is an apocalyptic number.

140040234311 is a deficient number, since it is larger than the sum of its proper divisors (3415615513).

140040234311 is an equidigital number, since it uses as much as digits as its factorization.

140040234311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415615512.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 140040234311 its reverse (113432040041), we get a palindrome (253472274352).

The spelling of 140040234311 in words is "one hundred forty billion, forty million, two hundred thirty-four thousand, three hundred eleven".