130439869 has 8 divisors (see below), whose sum is σ = 149460480. Its totient is φ = 111515856.

The previous prime is 130439863. The next prime is 130439879. The reversal of 130439869 is 968934031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130439869 - 2¹⁷ = 130308797 is a prime.

It is a super-2 number, since 2×130439869² = 34029118849474322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130439863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21229 + ... + 26674.

It is an arithmetic number, because the mean of its divisors is an integer number (18682560).

Almost surely, 2^130439869 is an apocalyptic number.

It is an amenable number.

130439869 is a deficient number, since it is larger than the sum of its proper divisors (19020611).

130439869 is an equidigital number, since it uses as much as digits as its factorization.

130439869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48299.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 130439869 is about 11421.0274931812. The cubic root of 130439869 is about 507.1504143630.

The spelling of 130439869 in words is "one hundred thirty million, four hundred thirty-nine thousand, eight hundred sixty-nine".