130135025 has 12 divisors (see below), whose sum is σ = 165304524. Its totient is φ = 101568000.

The previous prime is 130135001. The next prime is 130135043. The reversal of 130135025 is 520531031.

It can be written as a sum of positive squares in 6 ways, for example, as 698896 + 129436129 = 836^2 + 11377^2 .

It is not a de Polignac number, because 130135025 - 2¹² = 130130929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130134988 and 130135006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62456 + ... + 64505.

It is an arithmetic number, because the mean of its divisors is an integer number (13775377).

Almost surely, 2^130135025 is an apocalyptic number.

It is an amenable number.

130135025 is a deficient number, since it is larger than the sum of its proper divisors (35169499).

130135025 is a wasteful number, since it uses less digits than its factorization.

130135025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127012 (or 127007 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 130135025 is about 11407.6739522130. The cubic root of 130135025 is about 506.7550282082.

Adding to 130135025 its reverse (520531031), we get a palindrome (650666056).

The spelling of 130135025 in words is "one hundred thirty million, one hundred thirty-five thousand, twenty-five".