1390014025 has 6 divisors (see below), whose sum is σ = 1723617422. Its totient is φ = 1112011200.

The previous prime is 1390014023. The next prime is 1390014037. The reversal of 1390014025 is 5204100931.

It can be written as a sum of positive squares in 3 ways, for example, as 74718736 + 1315295289 = 8644^2 + 36267^2 .

It is not a de Polignac number, because 1390014025 - 2¹ = 1390014023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 55600561 = 1390014025 / (1 + 3 + 9 + 0 + 0 + 1 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390014023) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 27800256 + ... + 27800305.

Almost surely, 2^1390014025 is an apocalyptic number.

It is an amenable number.

1390014025 is a deficient number, since it is larger than the sum of its proper divisors (333603397).

1390014025 is an equidigital number, since it uses as much as digits as its factorization.

1390014025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55600571 (or 55600566 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1390014025 is about 37282.8918540394. The cubic root of 1390014025 is about 1116.0227834255.

Adding to 1390014025 its reverse (5204100931), we get a palindrome (6594114956).

The spelling of 1390014025 in words is "one billion, three hundred ninety million, fourteen thousand, twenty-five".