1140256312 has 16 divisors (see below), whose sum is σ = 2302440840. Its totient is φ = 526272096.

The previous prime is 1140256297. The next prime is 1140256387. The reversal of 1140256312 is 2136520411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5481898 + ... + 5482105.

Almost surely, 2^1140256312 is an apocalyptic number.

It is an amenable number.

1140256312 is an abundant number, since it is smaller than the sum of its proper divisors (1162184528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140256312 is a wasteful number, since it uses less digits than its factorization.

1140256312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964022 (or 10964018 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1140256312 is about 33767.6814720821. The cubic root of 1140256312 is about 1044.7222118252.

Adding to 1140256312 its reverse (2136520411), we get a palindrome (3276776723).

The spelling of 1140256312 in words is "one billion, one hundred forty million, two hundred fifty-six thousand, three hundred twelve".