2140510521 has 8 divisors (see below), whose sum is σ = 2854825344. Its totient is φ = 1426601360.

The previous prime is 2140510517. The next prime is 2140510549. The reversal of 2140510521 is 1250150412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140510521 - 2² = 2140510517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140510921) 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, 88881 + ... + 110366.

It is an arithmetic number, because the mean of its divisors is an integer number (356853168).

Almost surely, 2^2140510521 is an apocalyptic number.

It is an amenable number.

2140510521 is a deficient number, since it is larger than the sum of its proper divisors (714314823).

2140510521 is a wasteful number, since it uses less digits than its factorization.

2140510521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202831.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2140510521 is about 46265.6516327178. The cubic root of 2140510521 is about 1288.7612090594.

Adding to 2140510521 its reverse (1250150412), we get a palindrome (3390660933).

The spelling of 2140510521 in words is "two billion, one hundred forty million, five hundred ten thousand, five hundred twenty-one".