1340304243132 has 24 divisors (see below), whose sum is σ = 3193916495616. Its totient is φ = 437262377008.

The previous prime is 1340304243101. The next prime is 1340304243133. The reversal of 1340304243132 is 2313424030431.

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 1340304243132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340304243133) 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, 1188212418 + ... + 1188213545.

It is an arithmetic number, because the mean of its divisors is an integer number (133079853984).

Almost surely, 2^{1340304243132} is an apocalyptic number.

1340304243132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340304243132 is an abundant number, since it is smaller than the sum of its proper divisors (1853612252484).

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

1340304243132 is a wasteful number, since it uses less digits than its factorization.

1340304243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376426017 (or 2376426015 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1340304243132 its reverse (2313424030431), we get a palindrome (3653728273563).

The spelling of 1340304243132 in words is "one trillion, three hundred forty billion, three hundred four million, two hundred forty-three thousand, one hundred thirty-two".