1325635138338 has 64 divisors (see below), whose sum is σ = 3034893312000. Its totient is φ = 378144618624.

The previous prime is 1325635138337. The next prime is 1325635138339. The reversal of 1325635138338 is 8338315365231.

It is an interprime number because it is at equal distance from previous prime (1325635138337) and next prime (1325635138339).

It is not an unprimeable number, because it can be changed into a prime (1325635138337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75272878 + ... + 75290486.

It is an arithmetic number, because the mean of its divisors is an integer number (47420208000).

Almost surely, 2^{1325635138338} is an apocalyptic number.

1325635138338 is an abundant number, since it is smaller than the sum of its proper divisors (1709258173662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325635138338 is a wasteful number, since it uses less digits than its factorization.

1325635138338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20399.

The product of its digits is 4665600, while the sum is 51.

The spelling of 1325635138338 in words is "one trillion, three hundred twenty-five billion, six hundred thirty-five million, one hundred thirty-eight thousand, three hundred thirty-eight".