130842869 has 4 divisors (see below), whose sum is σ = 131507244. Its totient is φ = 130178496.

The previous prime is 130842853. The next prime is 130842919. The reversal of 130842869 is 968248031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968248031 = 24481 ⋅39551.

It can be written as a sum of positive squares in 2 ways, for example, as 112678225 + 18164644 = 10615^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 130842869 - 2⁴ = 130842853 is a prime.

It is a super-3 number, since 3×130842869³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130842839) 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, 331892 + ... + 332285.

It is an arithmetic number, because the mean of its divisors is an integer number (32876811).

Almost surely, 2^130842869 is an apocalyptic number.

It is an amenable number.

130842869 is a deficient number, since it is larger than the sum of its proper divisors (664375).

130842869 is an equidigital number, since it uses as much as digits as its factorization.

130842869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664374.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 130842869 is about 11438.6567830318. The cubic root of 130842869 is about 507.6721656162.

The spelling of 130842869 in words is "one hundred thirty million, eight hundred forty-two thousand, eight hundred sixty-nine".