130721836033 has 2 divisors, whose sum is σ = 130721836034. Its totient is φ = 130721836032.

The previous prime is 130721836031. The next prime is 130721836097. The reversal of 130721836033 is 330638127031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80987483889 + 49734352144 = 284583^2 + 223012^2 .

It is a cyclic number.

It is not a de Polignac number, because 130721836033 - 2¹ = 130721836031 is a prime.

Together with 130721836031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 130721835983 and 130721836001.

It is not a weakly prime, because it can be changed into another prime (130721836031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65360918016 + 65360918017.

It is an arithmetic number, because the mean of its divisors is an integer number (65360918017).

Almost surely, 2^130721836033 is an apocalyptic number.

It is an amenable number.

130721836033 is a deficient number, since it is larger than the sum of its proper divisors (1).

130721836033 is an equidigital number, since it uses as much as digits as its factorization.

130721836033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 130721836033 in words is "one hundred thirty billion, seven hundred twenty-one million, eight hundred thirty-six thousand, thirty-three".