1340134441 has 8 divisors (see below), whose sum is σ = 1344164864. Its totient is φ = 1336111200.

The previous prime is 1340134427. The next prime is 1340134451. The reversal of 1340134441 is 1444310431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340134441 - 2¹¹ = 1340132393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340134451) 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, 854440 + ... + 856006.

It is an arithmetic number, because the mean of its divisors is an integer number (168020608).

Almost surely, 2^1340134441 is an apocalyptic number.

It is an amenable number.

1340134441 is a deficient number, since it is larger than the sum of its proper divisors (4030423).

1340134441 is a wasteful number, since it uses less digits than its factorization.

1340134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1340134441 is about 36607.8467135121. The cubic root of 1340134441 is about 1102.5106402855.

Adding to 1340134441 its reverse (1444310431), we get a palindrome (2784444872).

The spelling of 1340134441 in words is "one billion, three hundred forty million, one hundred thirty-four thousand, four hundred forty-one".