1340130425 has 24 divisors (see below), whose sum is σ = 1706527680. Its totient is φ = 1043582400.

The previous prime is 1340130377. The next prime is 1340130427. The reversal of 1340130425 is 5240310431.

It is not a de Polignac number, because 1340130425 - 2⁶ = 1340130361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340130425.

It is not an unprimeable number, because it can be changed into a prime (1340130427) 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, 147515 + ... + 156335.

It is an arithmetic number, because the mean of its divisors is an integer number (71105320).

Almost surely, 2^1340130425 is an apocalyptic number.

It is an amenable number.

1340130425 is a deficient number, since it is larger than the sum of its proper divisors (366397255).

1340130425 is a wasteful number, since it uses less digits than its factorization.

1340130425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993 (or 8988 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1340130425 is about 36607.7918618427. The cubic root of 1340130425 is about 1102.5095389813.

Adding to 1340130425 its reverse (5240310431), we get a palindrome (6580440856).

The spelling of 1340130425 in words is "one billion, three hundred forty million, one hundred thirty thousand, four hundred twenty-five".