130134441421 has 4 divisors (see below), whose sum is σ = 130372347712. Its totient is φ = 129896535132.

The previous prime is 130134441277. The next prime is 130134441433. The reversal of 130134441421 is 124144431031.

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 130134441421 - 2¹³ = 130134433229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130134441421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130134442421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118952325 + ... + 118953418.

It is an arithmetic number, because the mean of its divisors is an integer number (32593086928).

Almost surely, 2^130134441421 is an apocalyptic number.

It is an amenable number.

130134441421 is a deficient number, since it is larger than the sum of its proper divisors (237906291).

130134441421 is an equidigital number, since it uses as much as digits as its factorization.

130134441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237906290.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 130134441421 its reverse (124144431031), we get a palindrome (254278872452).

The spelling of 130134441421 in words is "one hundred thirty billion, one hundred thirty-four million, four hundred forty-one thousand, four hundred twenty-one".