1340310225 has 24 divisors (see below), whose sum is σ = 2221966912. Its totient is φ = 712900800.

The previous prime is 1340310193. The next prime is 1340310227. The reversal of 1340310225 is 5220130431.

It is not a de Polignac number, because 1340310225 - 2⁵ = 1340310193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340310227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4020 + ... + 51930.

Almost surely, 2^1340310225 is an apocalyptic number.

1340310225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340310225 is a deficient number, since it is larger than the sum of its proper divisors (881656687).

1340310225 is a wasteful number, since it uses less digits than its factorization.

1340310225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48297 (or 48292 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1340310225 is about 36610.2475408184. The cubic root of 1340310225 is about 1102.5588432248.

Adding to 1340310225 its reverse (5220130431), we get a palindrome (6560440656).

The spelling of 1340310225 in words is "one billion, three hundred forty million, three hundred ten thousand, two hundred twenty-five".