1340420241 has 16 divisors (see below), whose sum is σ = 1802116800. Its totient is φ = 886188480.

The previous prime is 1340420183. The next prime is 1340420269. The reversal of 1340420241 is 1420240431.

It is not a de Polignac number, because 1340420241 - 2¹⁰ = 1340419217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340420041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325606 + ... + 329696.

It is an arithmetic number, because the mean of its divisors is an integer number (112632300).

Almost surely, 2^1340420241 is an apocalyptic number.

It is an amenable number.

1340420241 is a deficient number, since it is larger than the sum of its proper divisors (461696559).

1340420241 is a wasteful number, since it uses less digits than its factorization.

1340420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1340420241 is about 36611.7500401169. The cubic root of 1340420241 is about 1102.5890093243.

Adding to 1340420241 its reverse (1420240431), we get a palindrome (2760660672).

The spelling of 1340420241 in words is "one billion, three hundred forty million, four hundred twenty thousand, two hundred forty-one".