1140231142 has 8 divisors (see below), whose sum is σ = 1721826000. Its totient is φ = 566289144.

The previous prime is 1140231121. The next prime is 1140231149. The reversal of 1140231142 is 2411320411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140231149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912842 + ... + 1913437.

It is an arithmetic number, because the mean of its divisors is an integer number (215228250).

Almost surely, 2^1140231142 is an apocalyptic number.

1140231142 is a deficient number, since it is larger than the sum of its proper divisors (581594858).

1140231142 is a wasteful number, since it uses less digits than its factorization.

1140231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826430.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1140231142 is about 33767.3087763890. The cubic root of 1140231142 is about 1044.7145247080.

Adding to 1140231142 its reverse (2411320411), we get a palindrome (3551551553).

The spelling of 1140231142 in words is "one billion, one hundred forty million, two hundred thirty-one thousand, one hundred forty-two".