1340301340 has 48 divisors (see below), whose sum is σ = 3219213312. Its totient is φ = 459176256.

The previous prime is 1340301331. The next prime is 1340301353. The reversal of 1340301340 is 431030431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230509 + ... + 236251.

It is an arithmetic number, because the mean of its divisors is an integer number (67066944).

Almost surely, 2^1340301340 is an apocalyptic number.

1340301340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340301340 is an abundant number, since it is smaller than the sum of its proper divisors (1878911972).

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

1340301340 is a wasteful number, since it uses less digits than its factorization.

1340301340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7426 (or 7424 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1340301340 is about 36610.1261948112. The cubic root of 1340301340 is about 1102.5564069090.

Adding to 1340301340 its reverse (431030431), we get a palindrome (1771331771).

The spelling of 1340301340 in words is "one billion, three hundred forty million, three hundred one thousand, three hundred forty".