130206290 has 8 divisors (see below), whose sum is σ = 234371340. Its totient is φ = 52082512.

The previous prime is 130206287. The next prime is 130206313. The reversal of 130206290 is 92602031.

It can be written as a sum of positive squares in 2 ways, for example, as 121462441 + 8743849 = 11021^2 + 2957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6510305 + ... + 6510324.

Almost surely, 2^130206290 is an apocalyptic number.

130206290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130206290 is a deficient number, since it is larger than the sum of its proper divisors (104165050).

130206290 is a wasteful number, since it uses less digits than its factorization.

130206290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020636.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 130206290 is about 11410.7970799590. The cubic root of 130206290 is about 506.8475149845.

The spelling of 130206290 in words is "one hundred thirty million, two hundred six thousand, two hundred ninety".