130694185 has 4 divisors (see below), whose sum is σ = 156833028. Its totient is φ = 104555344.

The previous prime is 130694177. The next prime is 130694219. The reversal of 130694185 is 581496031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 581496031 = 131 ⋅4438901.

It can be written as a sum of positive squares in 2 ways, for example, as 93141801 + 37552384 = 9651^2 + 6128^2 .

It is a cyclic number.

It is not a de Polignac number, because 130694185 - 2³ = 130694177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13069414 + ... + 13069423.

It is an arithmetic number, because the mean of its divisors is an integer number (39208257).

Almost surely, 2^130694185 is an apocalyptic number.

It is an amenable number.

130694185 is a deficient number, since it is larger than the sum of its proper divisors (26138843).

130694185 is an equidigital number, since it uses as much as digits as its factorization.

130694185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26138842.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 130694185 is about 11432.1557459650. The cubic root of 130694185 is about 507.4797940623.

The spelling of 130694185 in words is "one hundred thirty million, six hundred ninety-four thousand, one hundred eighty-five".