130224194 has 4 divisors (see below), whose sum is σ = 195336294. Its totient is φ = 65112096.

The previous prime is 130224191. The next prime is 130224197. The reversal of 130224194 is 491422031.

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

It is an interprime number because it is at equal distance from previous prime (130224191) and next prime (130224197).

It can be written as a sum of positive squares in only one way, i.e., 129390625 + 833569 = 11375^2 + 913^2 .

It is not an unprimeable number, because it can be changed into a prime (130224191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32556047 + ... + 32556050.

Almost surely, 2^130224194 is an apocalyptic number.

130224194 is a deficient number, since it is larger than the sum of its proper divisors (65112100).

130224194 is an equidigital number, since it uses as much as digits as its factorization.

130224194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65112099.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130224194 is about 11411.5815731212. The cubic root of 130224194 is about 506.8707452550.

The spelling of 130224194 in words is "one hundred thirty million, two hundred twenty-four thousand, one hundred ninety-four".