130969669 has 2 divisors, whose sum is σ = 130969670. Its totient is φ = 130969668.

The previous prime is 130969667. The next prime is 130969673. The reversal of 130969669 is 966969031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100300225 + 30669444 = 10015^2 + 5538^2 .

It is a cyclic number.

It is not a de Polignac number, because 130969669 - 2¹ = 130969667 is a prime.

It is a super-2 number, since 2×130969669² = 34306108395939122, which contains 22 as substring.

Together with 130969667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130969667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65484834 + 65484835.

It is an arithmetic number, because the mean of its divisors is an integer number (65484835).

Almost surely, 2^130969669 is an apocalyptic number.

It is an amenable number.

130969669 is a deficient number, since it is larger than the sum of its proper divisors (1).

130969669 is an equidigital number, since it uses as much as digits as its factorization.

130969669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 130969669 is about 11444.1980496669. The cubic root of 130969669 is about 507.8361079278.

The spelling of 130969669 in words is "one hundred thirty million, nine hundred sixty-nine thousand, six hundred sixty-nine".