130641621 has 16 divisors (see below), whose sum is σ = 194660928. Its totient is φ = 77244800.

The previous prime is 130641613. The next prime is 130641647. The reversal of 130641621 is 126146031.

It is a cyclic number.

It is not a de Polignac number, because 130641621 - 2³ = 130641613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130641591 and 130641600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130641601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46926 + ... + 49631.

It is an arithmetic number, because the mean of its divisors is an integer number (12166308).

Almost surely, 2^130641621 is an apocalyptic number.

130641621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130641621 is a deficient number, since it is larger than the sum of its proper divisors (64019307).

130641621 is a wasteful number, since it uses less digits than its factorization.

130641621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96612.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 130641621 is about 11429.8565607798. The cubic root of 130641621 is about 507.4117503697.

Adding to 130641621 its reverse (126146031), we get a palindrome (256787652).

The spelling of 130641621 in words is "one hundred thirty million, six hundred forty-one thousand, six hundred twenty-one".