1140431324 has 6 divisors (see below), whose sum is σ = 1995754824. Its totient is φ = 570215660.

The previous prime is 1140431273. The next prime is 1140431329. The reversal of 1140431324 is 4231340411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140431324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140431329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142553912 + ... + 142553919.

It is an arithmetic number, because the mean of its divisors is an integer number (332625804).

Almost surely, 2^1140431324 is an apocalyptic number.

It is an amenable number.

1140431324 is a deficient number, since it is larger than the sum of its proper divisors (855323500).

1140431324 is a wasteful number, since it uses less digits than its factorization.

1140431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285107835 (or 285107833 counting only the distinct ones).

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

The square root of 1140431324 is about 33770.2727853951. The cubic root of 1140431324 is about 1044.7756587471.

Adding to 1140431324 its reverse (4231340411), we get a palindrome (5371771735).

The spelling of 1140431324 in words is "one billion, one hundred forty million, four hundred thirty-one thousand, three hundred twenty-four".