130958721 has 16 divisors (see below), whose sum is σ = 195937920. Its totient is φ = 86439600.

The previous prime is 130958689. The next prime is 130958731. The reversal of 130958721 is 127859031.

It is not a de Polignac number, because 130958721 - 2⁵ = 130958689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130958731) 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 15 ways as a sum of consecutive naturals, for example, 21285 + ... + 26738.

It is an arithmetic number, because the mean of its divisors is an integer number (12246120).

Almost surely, 2^130958721 is an apocalyptic number.

It is an amenable number.

130958721 is a deficient number, since it is larger than the sum of its proper divisors (64979199).

130958721 is a wasteful number, since it uses less digits than its factorization.

130958721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48133 (or 48127 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 130958721 is about 11443.7197186929. The cubic root of 130958721 is about 507.8219572096.

The spelling of 130958721 in words is "one hundred thirty million, nine hundred fifty-eight thousand, seven hundred twenty-one".