1340012441 has 8 divisors (see below), whose sum is σ = 1372114944. Its totient is φ = 1308059680.

The previous prime is 1340012431. The next prime is 1340012447. The reversal of 1340012441 is 1442100431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340012441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340012447) 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, 19220 + ... + 55221.

It is an arithmetic number, because the mean of its divisors is an integer number (171514368).

Almost surely, 2^1340012441 is an apocalyptic number.

It is an amenable number.

1340012441 is a deficient number, since it is larger than the sum of its proper divisors (32102503).

1340012441 is an equidigital number, since it uses as much as digits as its factorization.

1340012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74871.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1340012441 is about 36606.1803661622. The cubic root of 1340012441 is about 1102.4771833487.

Adding to 1340012441 its reverse (1442100431), we get a palindrome (2782112872).

The spelling of 1340012441 in words is "one billion, three hundred forty million, twelve thousand, four hundred forty-one".