2131134525 has 144 divisors (see below), whose sum is σ = 4470269440. Its totient is φ = 961113600.

The previous prime is 2131134503. The next prime is 2131134527. The reversal of 2131134525 is 5254311312.

2131134525 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 134 + 525 = 666.

It is not a de Polignac number, because 2131134525 - 2⁵ = 2131134493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131134527) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1722207 + ... + 1723443.

Almost surely, 2^2131134525 is an apocalyptic number.

2131134525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2131134525 is an abundant number, since it is smaller than the sum of its proper divisors (2339134915).

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

2131134525 is a wasteful number, since it uses less digits than its factorization.

2131134525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1308 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2131134525 is about 46164.2126002383. The cubic root of 2131134525 is about 1286.8767511652.

Adding to 2131134525 its reverse (5254311312), we get a palindrome (7385445837).

The spelling of 2131134525 in words is "two billion, one hundred thirty-one million, one hundred thirty-four thousand, five hundred twenty-five".