2132143521 has 8 divisors (see below), whose sum is σ = 2844644544. Its totient is φ = 1420535760.

The previous prime is 2132143487. The next prime is 2132143523. The reversal of 2132143521 is 1253412312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2132143521 - 2⁶ = 2132143457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132143491 and 2132143500.

It is not an unprimeable number, because it can be changed into a prime (2132143523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 217725 + ... + 227306.

It is an arithmetic number, because the mean of its divisors is an integer number (355580568).

Almost surely, 2^2132143521 is an apocalyptic number.

It is an amenable number.

2132143521 is a deficient number, since it is larger than the sum of its proper divisors (712501023).

2132143521 is a wasteful number, since it uses less digits than its factorization.

2132143521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446631.

The product of its digits is 1440, while the sum is 24.

The square root of 2132143521 is about 46175.1396424526. The cubic root of 2132143521 is about 1287.0798118063.

Adding to 2132143521 its reverse (1253412312), we get a palindrome (3385555833).

The spelling of 2132143521 in words is "two billion, one hundred thirty-two million, one hundred forty-three thousand, five hundred twenty-one".