1325220424135 has 4 divisors (see below), whose sum is σ = 1590264508968. Its totient is φ = 1060176339304.

The previous prime is 1325220424127. The next prime is 1325220424169. The reversal of 1325220424135 is 5314240225231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325220424135 - 2³ = 1325220424127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325220424135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132522042409 + ... + 132522042418.

It is an arithmetic number, because the mean of its divisors is an integer number (397566127242).

Almost surely, 2^{1325220424135} is an apocalyptic number.

1325220424135 is a deficient number, since it is larger than the sum of its proper divisors (265044084833).

1325220424135 is an equidigital number, since it uses as much as digits as its factorization.

1325220424135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265044084832.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1325220424135 its reverse (5314240225231), we get a palindrome (6639460649366).

The spelling of 1325220424135 in words is "one trillion, three hundred twenty-five billion, two hundred twenty million, four hundred twenty-four thousand, one hundred thirty-five".