1340895625 has 10 divisors (see below), whose sum is σ = 1675583954. Its totient is φ = 1072716000.

The previous prime is 1340895613. The next prime is 1340895671. The reversal of 1340895625 is 5265980431.

It can be written as a sum of positive squares in 5 ways, for example, as 537683344 + 803212281 = 23188^2 + 28341^2 .

It is not a de Polignac number, because 1340895625 - 2⁵ = 1340895593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1072092 + ... + 1073341.

Almost surely, 2^1340895625 is an apocalyptic number.

It is an amenable number.

1340895625 is a deficient number, since it is larger than the sum of its proper divisors (334688329).

1340895625 is an frugal number, since it uses more digits than its factorization.

1340895625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145453 (or 2145438 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 1340895625 is about 36618.2416972743. The cubic root of 1340895625 is about 1102.7193394018.

The spelling of 1340895625 in words is "one billion, three hundred forty million, eight hundred ninety-five thousand, six hundred twenty-five".