1340220403325 has 12 divisors (see below), whose sum is σ = 1681895872608. Its totient is φ = 1059258534000.

The previous prime is 1340220403303. The next prime is 1340220403387. The reversal of 1340220403325 is 5233040220431.

It is a happy number.

It is not a de Polignac number, because 1340220403325 - 2⁶ = 1340220403261 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 322942601 + ... + 322946750.

It is an arithmetic number, because the mean of its divisors is an integer number (140157989384).

Almost surely, 2^{1340220403325} is an apocalyptic number.

It is an amenable number.

1340220403325 is a deficient number, since it is larger than the sum of its proper divisors (341675469283).

1340220403325 is an equidigital number, since it uses as much as digits as its factorization.

1340220403325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645889444 (or 645889439 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 1340220403325 its reverse (5233040220431), we get a palindrome (6573260623756).

The spelling of 1340220403325 in words is "one trillion, three hundred forty billion, two hundred twenty million, four hundred three thousand, three hundred twenty-five".