1140313142 has 4 divisors (see below), whose sum is σ = 1710469716. Its totient is φ = 570156570.

The previous prime is 1140313121. The next prime is 1140313151. The reversal of 1140313142 is 2413130411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2413130411 = 14843 ⋅162577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285078284 + ... + 285078287.

It is an arithmetic number, because the mean of its divisors is an integer number (427617429).

Almost surely, 2^1140313142 is an apocalyptic number.

1140313142 is a deficient number, since it is larger than the sum of its proper divisors (570156574).

1140313142 is an equidigital number, since it uses as much as digits as its factorization.

1140313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570156573.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1140313142 is about 33768.5229466733. The cubic root of 1140313142 is about 1044.7395677408.

Adding to 1140313142 its reverse (2413130411), we get a palindrome (3553443553).

The spelling of 1140313142 in words is "one billion, one hundred forty million, three hundred thirteen thousand, one hundred forty-two".