1140430142 has 8 divisors (see below), whose sum is σ = 1811271456. Its totient is φ = 536672992.

The previous prime is 1140430121. The next prime is 1140430153. The reversal of 1140430142 is 2410340411.

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

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, 16770998 + ... + 16771065.

It is an arithmetic number, because the mean of its divisors is an integer number (226408932).

Almost surely, 2^1140430142 is an apocalyptic number.

1140430142 is a deficient number, since it is larger than the sum of its proper divisors (670841314).

1140430142 is a wasteful number, since it uses less digits than its factorization.

1140430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33542082.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140430142 is about 33770.2552847917. The cubic root of 1140430142 is about 1044.7752977944.

Adding to 1140430142 its reverse (2410340411), we get a palindrome (3550770553).

The spelling of 1140430142 in words is "one billion, one hundred forty million, four hundred thirty thousand, one hundred forty-two".