1340133468 has 12 divisors (see below), whose sum is σ = 3126978120. Its totient is φ = 446711152.

The previous prime is 1340133463. The next prime is 1340133491. The reversal of 1340133468 is 8643310431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340133463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55838883 + ... + 55838906.

It is an arithmetic number, because the mean of its divisors is an integer number (260581510).

Almost surely, 2^1340133468 is an apocalyptic number.

It is an amenable number.

1340133468 is an abundant number, since it is smaller than the sum of its proper divisors (1786844652).

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

1340133468 is a wasteful number, since it uses less digits than its factorization.

1340133468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111677796 (or 111677794 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1340133468 is about 36607.8334240091. The cubic root of 1340133468 is about 1102.5103734607.

Adding to 1340133468 its reverse (8643310431), we get a palindrome (9983443899).

The spelling of 1340133468 in words is "one billion, three hundred forty million, one hundred thirty-three thousand, four hundred sixty-eight".