2100132005 has 8 divisors (see below), whose sum is σ = 2607060600. Its totient is φ = 1622170816.

The previous prime is 2100131987. The next prime is 2100132019. The reversal of 2100132005 is 5002310012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82864609 + 2017267396 = 9103^2 + 44914^2 .

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 2100132005 - 2¹⁶ = 2100066469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7241690 + ... + 7241979.

It is an arithmetic number, because the mean of its divisors is an integer number (325882575).

Almost surely, 2^2100132005 is an apocalyptic number.

It is an amenable number.

2100132005 is a deficient number, since it is larger than the sum of its proper divisors (506928595).

2100132005 is a wasteful number, since it uses less digits than its factorization.

2100132005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483703.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2100132005 is about 45827.1972195551. The cubic root of 2100132005 is about 1280.6059966241.

Adding to 2100132005 its reverse (5002310012), we get a palindrome (7102442017).

The spelling of 2100132005 in words is "two billion, one hundred million, one hundred thirty-two thousand, five".