130445899 has 2 divisors, whose sum is σ = 130445900. Its totient is φ = 130445898.

The previous prime is 130445867. The next prime is 130445911. The reversal of 130445899 is 998544031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130445899 - 2⁵ = 130445867 is a prime.

It is a super-2 number, since 2×130445899² = 34032265131836402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130445839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65222949 + 65222950.

It is an arithmetic number, because the mean of its divisors is an integer number (65222950).

Almost surely, 2^130445899 is an apocalyptic number.

130445899 is a deficient number, since it is larger than the sum of its proper divisors (1).

130445899 is an equidigital number, since it uses as much as digits as its factorization.

130445899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 130445899 is about 11421.2914768865. The cubic root of 130445899 is about 507.1582291257.

The spelling of 130445899 in words is "one hundred thirty million, four hundred forty-five thousand, eight hundred ninety-nine".