1140020342 has 8 divisors (see below), whose sum is σ = 1710974016. Its totient is φ = 569695672.

The previous prime is 1140020291. The next prime is 1140020359. The reversal of 1140020342 is 2430200411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1140020342.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 152693 + ... + 159984.

It is an arithmetic number, because the mean of its divisors is an integer number (213871752).

Almost surely, 2^1140020342 is an apocalyptic number.

1140020342 is a deficient number, since it is larger than the sum of its proper divisors (570953674).

1140020342 is a wasteful number, since it uses less digits than its factorization.

1140020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314502.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1140020342 is about 33764.1872699462. The cubic root of 1140020342 is about 1044.6501402786.

Adding to 1140020342 its reverse (2430200411), we get a palindrome (3570220753).

The spelling of 1140020342 in words is "one billion, one hundred forty million, twenty thousand, three hundred forty-two".