130770209 has 2 divisors, whose sum is σ = 130770210. Its totient is φ = 130770208.

The previous prime is 130770191. The next prime is 130770223. The reversal of 130770209 is 902077031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103469584 + 27300625 = 10172^2 + 5225^2 .

It is a cyclic number.

It is not a de Polignac number, because 130770209 - 2²⁴ = 113992993 is a prime.

It is not a weakly prime, because it can be changed into another prime (130770109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65385104 + 65385105.

It is an arithmetic number, because the mean of its divisors is an integer number (65385105).

Almost surely, 2^130770209 is an apocalyptic number.

It is an amenable number.

130770209 is a deficient number, since it is larger than the sum of its proper divisors (1).

130770209 is an equidigital number, since it uses as much as digits as its factorization.

130770209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 130770209 is about 11435.4802697569. The cubic root of 130770209 is about 507.5781742761.

The spelling of 130770209 in words is "one hundred thirty million, seven hundred seventy thousand, two hundred nine".