1140142453 has 8 divisors (see below), whose sum is σ = 1230739200. Its totient is φ = 1052964528.

The previous prime is 1140142447. The next prime is 1140142477. The reversal of 1140142453 is 3542410411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140142453 - 2²¹ = 1138045301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140142153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854013 + ... + 855346.

It is an arithmetic number, because the mean of its divisors is an integer number (153842400).

Almost surely, 2^1140142453 is an apocalyptic number.

It is an amenable number.

1140142453 is a deficient number, since it is larger than the sum of its proper divisors (90596747).

1140142453 is a wasteful number, since it uses less digits than its factorization.

1140142453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709411.

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

The square root of 1140142453 is about 33765.9955132379. The cubic root of 1140142453 is about 1044.6874374841.

Adding to 1140142453 its reverse (3542410411), we get a palindrome (4682552864).

The spelling of 1140142453 in words is "one billion, one hundred forty million, one hundred forty-two thousand, four hundred fifty-three".