1340002025 has 12 divisors (see below), whose sum is σ = 1676310492. Its totient is φ = 1062512640.

The previous prime is 1340002003. The next prime is 1340002039. The reversal of 1340002025 is 5202000431.

It can be written as a sum of positive squares in 6 ways, for example, as 294191104 + 1045810921 = 17152^2 + 32339^2 .

It is not a de Polignac number, because 1340002025 - 2¹⁰ = 1340001001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340001994 and 1340002012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234344 + ... + 239993.

It is an arithmetic number, because the mean of its divisors is an integer number (139692541).

Almost surely, 2^1340002025 is an apocalyptic number.

It is an amenable number.

1340002025 is a deficient number, since it is larger than the sum of its proper divisors (336308467).

1340002025 is a wasteful number, since it uses less digits than its factorization.

1340002025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474460 (or 474455 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1340002025 is about 36606.0380948280. The cubic root of 1340002025 is about 1102.4743268000.

Adding to 1340002025 its reverse (5202000431), we get a palindrome (6542002456).

The spelling of 1340002025 in words is "one billion, three hundred forty million, two thousand, twenty-five".