130706139 has 4 divisors (see below), whose sum is σ = 174274856. Its totient is φ = 87137424.

The previous prime is 130706131. The next prime is 130706143. The reversal of 130706139 is 931607031.

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

It is not a de Polignac number, because 130706139 - 2³ = 130706131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130706131) 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 3 ways as a sum of consecutive naturals, for example, 21784354 + ... + 21784359.

It is an arithmetic number, because the mean of its divisors is an integer number (43568714).

Almost surely, 2^130706139 is an apocalyptic number.

130706139 is a deficient number, since it is larger than the sum of its proper divisors (43568717).

130706139 is an equidigital number, since it uses as much as digits as its factorization.

130706139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43568716.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 130706139 is about 11432.6785575385. The cubic root of 130706139 is about 507.4952658767.

The spelling of 130706139 in words is "one hundred thirty million, seven hundred six thousand, one hundred thirty-nine".