135320464625 has 8 divisors (see below), whose sum is σ = 168879940008. Its totient is φ = 108256371600.

The previous prime is 135320464613. The next prime is 135320464637. The reversal of 135320464625 is 526464023531.

It is an interprime number because it is at equal distance from previous prime (135320464613) and next prime (135320464637).

It can be written as a sum of positive squares in 4 ways, for example, as 434680801 + 134885783824 = 20849^2 + 367268^2 .

It is not a de Polignac number, because 135320464625 - 2⁸ = 135320464369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541281734 + ... + 541281983.

It is an arithmetic number, because the mean of its divisors is an integer number (21109992501).

Almost surely, 2^135320464625 is an apocalyptic number.

It is an amenable number.

135320464625 is a deficient number, since it is larger than the sum of its proper divisors (33559475383).

135320464625 is an equidigital number, since it uses as much as digits as its factorization.

135320464625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082563732 (or 1082563722 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 135320464625 in words is "one hundred thirty-five billion, three hundred twenty million, four hundred sixty-four thousand, six hundred twenty-five".