1340630025 has 48 divisors (see below), whose sum is σ = 2666496000. Its totient is φ = 580599360.

The previous prime is 1340629967. The next prime is 1340630029. The reversal of 1340630025 is 5200360431.

It is a happy number.

It is not a de Polignac number, because 1340630025 - 2⁷ = 1340629897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340629977 and 1340630004.

It is not an unprimeable number, because it can be changed into a prime (1340630029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57225 + ... + 77174.

It is an arithmetic number, because the mean of its divisors is an integer number (55552000).

Almost surely, 2^1340630025 is an apocalyptic number.

1340630025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340630025 is a deficient number, since it is larger than the sum of its proper divisors (1325865975).

1340630025 is a wasteful number, since it uses less digits than its factorization.

1340630025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134438 (or 134433 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1340630025 is about 36614.6149098963. The cubic root of 1340630025 is about 1102.6465269743.

Adding to 1340630025 its reverse (5200360431), we get a palindrome (6540990456).

The spelling of 1340630025 in words is "one billion, three hundred forty million, six hundred thirty thousand, twenty-five".