133515271325 has 6 divisors (see below), whose sum is σ = 165558936474. Its totient is φ = 106812217040.

The previous prime is 133515271303. The next prime is 133515271343. The reversal of 133515271325 is 523172515331.

It can be written as a sum of positive squares in 3 ways, for example, as 3007206244 + 130508065081 = 54838^2 + 361259^2 .

It is not a de Polignac number, because 133515271325 - 2¹⁸ = 133515009181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2670305402 + ... + 2670305451.

It is an arithmetic number, because the mean of its divisors is an integer number (27593156079).

Almost surely, 2^133515271325 is an apocalyptic number.

It is an amenable number.

133515271325 is a deficient number, since it is larger than the sum of its proper divisors (32043665149).

133515271325 is an equidigital number, since it uses as much as digits as its factorization.

133515271325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340610863 (or 5340610858 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

Adding to 133515271325 its reverse (523172515331), we get a palindrome (656687786656).

The spelling of 133515271325 in words is "one hundred thirty-three billion, five hundred fifteen million, two hundred seventy-one thousand, three hundred twenty-five".