130021699 has 2 divisors, whose sum is σ = 130021700. Its totient is φ = 130021698.

The previous prime is 130021679. The next prime is 130021733. The reversal of 130021699 is 996120031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130021699 - 2⁷ = 130021571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130021699.

It is not a weakly prime, because it can be changed into another prime (130021649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010849 + 65010850.

It is an arithmetic number, because the mean of its divisors is an integer number (65010850).

Almost surely, 2^130021699 is an apocalyptic number.

130021699 is a deficient number, since it is larger than the sum of its proper divisors (1).

130021699 is an equidigital number, since it uses as much as digits as its factorization.

130021699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 130021699 is about 11402.7057753851. The cubic root of 130021699 is about 506.6078856573.

The spelling of 130021699 in words is "one hundred thirty million, twenty-one thousand, six hundred ninety-nine".