1142011340 has 24 divisors (see below), whose sum is σ = 2524446960. Its totient is φ = 432762048.

The previous prime is 1142011331. The next prime is 1142011373. The reversal of 1142011340 is 431102411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502267 + ... + 1503026.

It is an arithmetic number, because the mean of its divisors is an integer number (105185290).

Almost surely, 2^1142011340 is an apocalyptic number.

1142011340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142011340 is an abundant number, since it is smaller than the sum of its proper divisors (1382435620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142011340 is a wasteful number, since it uses less digits than its factorization.

1142011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005321 (or 3005319 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1142011340 is about 33793.6582808077. The cubic root of 1142011340 is about 1045.2579325607.

Adding to 1142011340 its reverse (431102411), we get a palindrome (1573113751).

The spelling of 1142011340 in words is "one billion, one hundred forty-two million, eleven thousand, three hundred forty".