130069639 has 4 divisors (see below), whose sum is σ = 148651024. Its totient is φ = 111488256.

The previous prime is 130069631. The next prime is 130069651. The reversal of 130069639 is 936960031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130069639 - 2³ = 130069631 is a prime.

It is a super-2 number, since 2×130069639² = 33836221979180642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130069598 and 130069607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130069631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9290682 + ... + 9290695.

It is an arithmetic number, because the mean of its divisors is an integer number (37162756).

Almost surely, 2^130069639 is an apocalyptic number.

130069639 is a deficient number, since it is larger than the sum of its proper divisors (18581385).

130069639 is an equidigital number, since it uses as much as digits as its factorization.

130069639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18581384.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 130069639 is about 11404.8077142931. The cubic root of 130069639 is about 506.6701414139.

The spelling of 130069639 in words is "one hundred thirty million, sixty-nine thousand, six hundred thirty-nine".