1140140311 has 8 divisors (see below), whose sum is σ = 1177092864. Its totient is φ = 1103510880.

The previous prime is 1140140303. The next prime is 1140140317. The reversal of 1140140311 is 1130410411.

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 1140140311 - 2³ = 1140140303 is a prime.

It is a super-3 number, since 3×1140140311³ (a number of 28 digits) contains 333 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 (1140140317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73600 + ... + 87733.

It is an arithmetic number, because the mean of its divisors is an integer number (147136608).

Almost surely, 2^1140140311 is an apocalyptic number.

1140140311 is a deficient number, since it is larger than the sum of its proper divisors (36952553).

1140140311 is a wasteful number, since it uses less digits than its factorization.

1140140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161561.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1140140311 is about 33765.9637949222. The cubic root of 1140140311 is about 1044.6867832612.

Adding to 1140140311 its reverse (1130410411), we get a palindrome (2270550722).

The spelling of 1140140311 in words is "one billion, one hundred forty million, one hundred forty thousand, three hundred eleven".