1140435142 has 32 divisors (see below), whose sum is σ = 2156751360. Its totient is φ = 439327680.

The previous prime is 1140435139. The next prime is 1140435143. The reversal of 1140435142 is 2415340411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140435143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27898 + ... + 55309.

It is an arithmetic number, because the mean of its divisors is an integer number (67398480).

Almost surely, 2^1140435142 is an apocalyptic number.

1140435142 is a deficient number, since it is larger than the sum of its proper divisors (1016316218).

1140435142 is a wasteful number, since it uses less digits than its factorization.

1140435142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83316.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1140435142 is about 33770.3293143552. The cubic root of 1140435142 is about 1044.7768246653.

Adding to 1140435142 its reverse (2415340411), we get a palindrome (3555775553).

The spelling of 1140435142 in words is "one billion, one hundred forty million, four hundred thirty-five thousand, one hundred forty-two".