130704646637 has 4 divisors (see below), whose sum is σ = 130705539516. Its totient is φ = 130703753760.

The previous prime is 130704646627. The next prime is 130704646673. The reversal of 130704646637 is 736646407031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 736646407031 = 67 ⋅10994722493.

It can be written as a sum of positive squares in 2 ways, for example, as 47671918921 + 83032727716 = 218339^2 + 288154^2 .

It is a cyclic number.

It is not a de Polignac number, because 130704646637 - 2⁶ = 130704646573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130704646591 and 130704646600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130704646627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169664 + ... + 538697.

It is an arithmetic number, because the mean of its divisors is an integer number (32676384879).

Almost surely, 2^130704646637 is an apocalyptic number.

It is an amenable number.

130704646637 is a deficient number, since it is larger than the sum of its proper divisors (892879).

130704646637 is an equidigital number, since it uses as much as digits as its factorization.

130704646637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892878.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 130704646637 in words is "one hundred thirty billion, seven hundred four million, six hundred forty-six thousand, six hundred thirty-seven".