135230246442125 has 16 divisors (see below), whose sum is σ = 168806082999216. Its totient is φ = 108159366744000.

The previous prime is 135230246442113. The next prime is 135230246442139. The reversal of 135230246442125 is 521244642032531.

It can be written as a sum of positive squares in 8 ways, for example, as 16280994409 + 135213965447716 = 127597^2 + 11628154^2 .

It is not a de Polignac number, because 135230246442125 - 2¹² = 135230246438029 is a prime.

It is a super-2 number, since 2×135230246442125² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 123605246 + ... + 124694495.

It is an arithmetic number, because the mean of its divisors is an integer number (10550380187451).

Almost surely, 2^{135230246442125} is an apocalyptic number.

It is an amenable number.

135230246442125 is a deficient number, since it is larger than the sum of its proper divisors (33575836557091).

135230246442125 is an equidigital number, since it uses as much as digits as its factorization.

135230246442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248304113 (or 248304103 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 135230246442125 its reverse (521244642032531), we get a palindrome (656474888474656).

The spelling of 135230246442125 in words is "one hundred thirty-five trillion, two hundred thirty billion, two hundred forty-six million, four hundred forty-two thousand, one hundred twenty-five".