130976987 has 2 divisors, whose sum is σ = 130976988. Its totient is φ = 130976986.

The previous prime is 130976971. The next prime is 130977073. The reversal of 130976987 is 789679031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130976987 - 2⁴ = 130976971 is a prime.

It is a super-2 number, since 2×130976987² = 34309942247196338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130976917) 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, 65488493 + 65488494.

It is an arithmetic number, because the mean of its divisors is an integer number (65488494).

Almost surely, 2^130976987 is an apocalyptic number.

130976987 is a deficient number, since it is larger than the sum of its proper divisors (1).

130976987 is an equidigital number, since it uses as much as digits as its factorization.

130976987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 130976987 is about 11444.5177705310. The cubic root of 130976987 is about 507.8455662893.

The spelling of 130976987 in words is "one hundred thirty million, nine hundred seventy-six thousand, nine hundred eighty-seven".