130657643 has 2 divisors, whose sum is σ = 130657644. Its totient is φ = 130657642.

The previous prime is 130657633. The next prime is 130657651. The reversal of 130657643 is 346756031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130657643 - 2¹⁰ = 130656619 is a prime.

It is not a weakly prime, because it can be changed into another prime (130657613) 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 as a sum of consecutive naturals, namely, 65328821 + 65328822.

It is an arithmetic number, because the mean of its divisors is an integer number (65328822).

Almost surely, 2^130657643 is an apocalyptic number.

130657643 is a deficient number, since it is larger than the sum of its proper divisors (1).

130657643 is an equidigital number, since it uses as much as digits as its factorization.

130657643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 130657643 is about 11430.5574229781. The cubic root of 130657643 is about 507.4324926586.

The spelling of 130657643 in words is "one hundred thirty million, six hundred fifty-seven thousand, six hundred forty-three".