130674477865 has 16 divisors (see below), whose sum is σ = 161212526352. Its totient is φ = 101609938944.

The previous prime is 130674477839. The next prime is 130674477887. The reversal of 130674477865 is 568774476031.

130674477865 = 255611² + 255612².

It can be written as a sum of positive squares in 8 ways, for example, as 33253710736 + 97420767129 = 182356^2 + 312123^2 .

It is a cyclic number.

It is not a de Polignac number, because 130674477865 - 2⁷ = 130674477737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180744 + ... + 542233.

It is an arithmetic number, because the mean of its divisors is an integer number (10075782897).

Almost surely, 2^130674477865 is an apocalyptic number.

130674477865 is the 180745-th decagonal number.

130674477865 is the 255612-nd centered square number.

It is an amenable number.

130674477865 is a deficient number, since it is larger than the sum of its proper divisors (30538048487).

130674477865 is an equidigital number, since it uses as much as digits as its factorization.

130674477865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723996.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 130674477865 in words is "one hundred thirty billion, six hundred seventy-four million, four hundred seventy-seven thousand, eight hundred sixty-five".