1140146231 has 16 divisors (see below), whose sum is σ = 1339545600. Its totient is φ = 949929120.

The previous prime is 1140146221. The next prime is 1140146233. The reversal of 1140146231 is 1326410411.

It is not a de Polignac number, because 1140146231 - 2¹⁰ = 1140145207 is a prime.

It is a super-3 number, since 3×1140146231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140146197 and 1140146206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140146233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438746 + ... + 441336.

It is an arithmetic number, because the mean of its divisors is an integer number (83721600).

Almost surely, 2^1140146231 is an apocalyptic number.

1140146231 is a deficient number, since it is larger than the sum of its proper divisors (199399369).

1140146231 is a wasteful number, since it uses less digits than its factorization.

1140146231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1140146231 is about 33766.0514570478. The cubic root of 1140146231 is about 1044.6885913822.

Adding to 1140146231 its reverse (1326410411), we get a palindrome (2466556642).

The spelling of 1140146231 in words is "one billion, one hundred forty million, one hundred forty-six thousand, two hundred thirty-one".