130134021 has 16 divisors (see below), whose sum is σ = 183075840. Its totient is φ = 81995760.

The previous prime is 130134019. The next prime is 130134029. The reversal of 130134021 is 120431031.

It is not a de Polignac number, because 130134021 - 2¹ = 130134019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130134029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23926 + ... + 28856.

It is an arithmetic number, because the mean of its divisors is an integer number (11442240).

Almost surely, 2^130134021 is an apocalyptic number.

It is an amenable number.

130134021 is a deficient number, since it is larger than the sum of its proper divisors (52941819).

130134021 is a wasteful number, since it uses less digits than its factorization.

130134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130134021 is about 11407.6299466629. The cubic root of 130134021 is about 506.7537249891.

Adding to 130134021 its reverse (120431031), we get a palindrome (250565052).

The spelling of 130134021 in words is "one hundred thirty million, one hundred thirty-four thousand, twenty-one".