1140123131340 has 96 divisors (see below), whose sum is σ = 3200542813440. Its totient is φ = 303252508416.

The previous prime is 1140123131311. The next prime is 1140123131341. The reversal of 1140123131340 is 431313210411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140123131340.

It is not an unprimeable number, because it can be changed into a prime (1140123131341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146372166 + ... + 146379954.

It is an arithmetic number, because the mean of its divisors is an integer number (33338987640).

Almost surely, 2^{1140123131340} is an apocalyptic number.

1140123131340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140123131340 is an abundant number, since it is smaller than the sum of its proper divisors (2060419682100).

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

1140123131340 is a wasteful number, since it uses less digits than its factorization.

1140123131340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751 (or 13749 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1140123131340 its reverse (431313210411), we get a palindrome (1571436341751).

The spelling of 1140123131340 in words is "one trillion, one hundred forty billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred forty".