130002639 has 8 divisors (see below), whose sum is σ = 186670512. Its totient is φ = 80001600.

The previous prime is 130002629. The next prime is 130002641. The reversal of 130002639 is 936200031.

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

It is not a de Polignac number, because 130002639 - 2¹² = 129998543 is a prime.

It is a super-2 number, since 2×130002639² = 33801372293928642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130002629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666662 + ... + 1666739.

It is an arithmetic number, because the mean of its divisors is an integer number (23333814).

Almost surely, 2^130002639 is an apocalyptic number.

130002639 is a deficient number, since it is larger than the sum of its proper divisors (56667873).

130002639 is a wasteful number, since it uses less digits than its factorization.

130002639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333417.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 130002639 is about 11401.8699782097. The cubic root of 130002639 is about 506.5831297429.

The spelling of 130002639 in words is "one hundred thirty million, two thousand, six hundred thirty-nine".