130421045 has 8 divisors (see below), whose sum is σ = 158264280. Its totient is φ = 103164160.

The previous prime is 130421029. The next prime is 130421047. The reversal of 130421045 is 540124031.

It can be written as a sum of positive squares in 4 ways, for example, as 31259281 + 99161764 = 5591^2 + 9958^2 .

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

It is not a de Polignac number, because 130421045 - 2⁴ = 130421029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130421047) 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 7 ways as a sum of consecutive naturals, for example, 146096 + ... + 146985.

It is an arithmetic number, because the mean of its divisors is an integer number (19783035).

Almost surely, 2^130421045 is an apocalyptic number.

It is an amenable number.

130421045 is a deficient number, since it is larger than the sum of its proper divisors (27843235).

130421045 is an equidigital number, since it uses as much as digits as its factorization.

130421045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293175.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130421045 is about 11420.2033694676. The cubic root of 130421045 is about 507.1260172755.

Adding to 130421045 its reverse (540124031), we get a palindrome (670545076).

The spelling of 130421045 in words is "one hundred thirty million, four hundred twenty-one thousand, forty-five".