2130076521 has 12 divisors (see below), whose sum is σ = 3190732272. Its totient is φ = 1420050852.

The previous prime is 2130076493. The next prime is 2130076541. The reversal of 2130076521 is 1256700312.

It is a happy number.

2130076521 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 0 + 7 + 652 + 1 = 666.

It is not a de Polignac number, because 2130076521 - 2¹¹ = 2130074473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2130076541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4382631 + ... + 4383116.

It is an arithmetic number, because the mean of its divisors is an integer number (265894356).

Almost surely, 2^2130076521 is an apocalyptic number.

It is an amenable number.

2130076521 is a deficient number, since it is larger than the sum of its proper divisors (1060655751).

2130076521 is an frugal number, since it uses more digits than its factorization.

2130076521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765762 (or 8765750 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2130076521 is about 46152.7520414547. The cubic root of 2130076521 is about 1286.6637588043.

Adding to 2130076521 its reverse (1256700312), we get a palindrome (3386776833).

The spelling of 2130076521 in words is "two billion, one hundred thirty million, seventy-six thousand, five hundred twenty-one".