130132021 has 4 divisors (see below), whose sum is σ = 130201344. Its totient is φ = 130062700.

The previous prime is 130131949. The next prime is 130132027. The reversal of 130132021 is 120231031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130132021 - 2¹⁵ = 130099253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130131992 and 130132010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130132027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31765 + ... + 35626.

It is an arithmetic number, because the mean of its divisors is an integer number (32550336).

Almost surely, 2^130132021 is an apocalyptic number.

It is an amenable number.

130132021 is a deficient number, since it is larger than the sum of its proper divisors (69323).

130132021 is an equidigital number, since it uses as much as digits as its factorization.

130132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69322.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130132021 is about 11407.5422856985. The cubic root of 130132021 is about 506.7511289151.

Adding to 130132021 its reverse (120231031), we get a palindrome (250363052).

The spelling of 130132021 in words is "one hundred thirty million, one hundred thirty-two thousand, twenty-one".