130642973 has 2 divisors, whose sum is σ = 130642974. Its totient is φ = 130642972.

The previous prime is 130642957. The next prime is 130642979. The reversal of 130642973 is 379246031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110733529 + 19909444 = 10523^2 + 4462^2 .

It is an emirp because it is prime and its reverse (379246031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130642973 - 2⁴ = 130642957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130642979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65321486 + 65321487.

It is an arithmetic number, because the mean of its divisors is an integer number (65321487).

Almost surely, 2^130642973 is an apocalyptic number.

It is an amenable number.

130642973 is a deficient number, since it is larger than the sum of its proper divisors (1).

130642973 is an equidigital number, since it uses as much as digits as its factorization.

130642973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 130642973 is about 11429.9157039761. The cubic root of 130642973 is about 507.4135007519.

The spelling of 130642973 in words is "one hundred thirty million, six hundred forty-two thousand, nine hundred seventy-three".