1340251004 has 12 divisors (see below), whose sum is σ = 2399984664. Its totient is φ = 654541104.

The previous prime is 1340251001. The next prime is 1340251061. The reversal of 1340251004 is 4001520431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340251001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895907 + ... + 3896250.

It is an arithmetic number, because the mean of its divisors is an integer number (199998722).

Almost surely, 2^1340251004 is an apocalyptic number.

It is an amenable number.

1340251004 is a deficient number, since it is larger than the sum of its proper divisors (1059733660).

1340251004 is a wasteful number, since it uses less digits than its factorization.

1340251004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792204 (or 7792202 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1340251004 is about 36609.4387282843. The cubic root of 1340251004 is about 1102.5426042980.

Adding to 1340251004 its reverse (4001520431), we get a palindrome (5341771435).

The spelling of 1340251004 in words is "one billion, three hundred forty million, two hundred fifty-one thousand, four".