130970194 has 4 divisors (see below), whose sum is σ = 196455294. Its totient is φ = 65485096.

The previous prime is 130970143. The next prime is 130970197. The reversal of 130970194 is 491079031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491079031 = 167 ⋅2940593.

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 439569 = 11425^2 + 663^2 .

It is not an unprimeable number, because it can be changed into a prime (130970197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32742547 + ... + 32742550.

Almost surely, 2^130970194 is an apocalyptic number.

130970194 is a deficient number, since it is larger than the sum of its proper divisors (65485100).

130970194 is an equidigital number, since it uses as much as digits as its factorization.

130970194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65485099.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 130970194 is about 11444.2209870310. The cubic root of 130970194 is about 507.8367864910.

The spelling of 130970194 in words is "one hundred thirty million, nine hundred seventy thousand, one hundred ninety-four".