130705870 has 16 divisors (see below), whose sum is σ = 236965680. Its totient is φ = 51905664.

The previous prime is 130705847. The next prime is 130705873. The reversal of 130705870 is 78507031.

130705870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130705873) 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, 45627 + ... + 48406.

It is an arithmetic number, because the mean of its divisors is an integer number (14810355).

Almost surely, 2^130705870 is an apocalyptic number.

130705870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130705870 is a deficient number, since it is larger than the sum of its proper divisors (106259810).

130705870 is a wasteful number, since it uses less digits than its factorization.

130705870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94179.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 130705870 is about 11432.6667930103. Note that the first 3 decimals coincide. The cubic root of 130705870 is about 507.4949177260.

The spelling of 130705870 in words is "one hundred thirty million, seven hundred five thousand, eight hundred seventy".