1140351340 has 24 divisors (see below), whose sum is σ = 2477316240. Its totient is φ = 440411328.

The previous prime is 1140351301. The next prime is 1140351341. The reversal of 1140351340 is 431530411.

It is not an unprimeable number, because it can be changed into a prime (1140351341) 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, 982482 + ... + 983641.

It is an arithmetic number, because the mean of its divisors is an integer number (103221510).

Almost surely, 2^1140351340 is an apocalyptic number.

1140351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140351340 is an abundant number, since it is smaller than the sum of its proper divisors (1336964900).

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

1140351340 is a wasteful number, since it uses less digits than its factorization.

1140351340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966161 (or 1966159 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1140351340 is about 33769.0885278238. The cubic root of 1140351340 is about 1044.7512331085.

Adding to 1140351340 its reverse (431530411), we get a palindrome (1571881751).

The spelling of 1140351340 in words is "one billion, one hundred forty million, three hundred fifty-one thousand, three hundred forty".