1140042434 has 16 divisors (see below), whose sum is σ = 1759798656. Its totient is φ = 553628400.

The previous prime is 1140042413. The next prime is 1140042439. The reversal of 1140042434 is 4342400411.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140042439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33977 + ... + 58604.

It is an arithmetic number, because the mean of its divisors is an integer number (109987416).

Almost surely, 2^1140042434 is an apocalyptic number.

1140042434 is a deficient number, since it is larger than the sum of its proper divisors (619756222).

1140042434 is a wasteful number, since it uses less digits than its factorization.

1140042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92761.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1140042434 is about 33764.5144197277. The cubic root of 1140042434 is about 1044.6568881879.

Adding to 1140042434 its reverse (4342400411), we get a palindrome (5482442845).

The spelling of 1140042434 in words is "one billion, one hundred forty million, forty-two thousand, four hundred thirty-four".