130206352 has 10 divisors (see below), whose sum is σ = 252274838. Its totient is φ = 65103168.

The previous prime is 130206347. The next prime is 130206359. The reversal of 130206352 is 253602031.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 13220496 = 10816^2 + 3636^2 .

It is a super-2 number, since 2×130206352² = 33907388202295808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130206359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4068933 + ... + 4068964.

Almost surely, 2^130206352 is an apocalyptic number.

It is an amenable number.

130206352 is a deficient number, since it is larger than the sum of its proper divisors (122068486).

130206352 is an equidigital number, since it uses as much as digits as its factorization.

130206352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137905 (or 8137899 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 130206352 is about 11410.7997966838. The cubic root of 130206352 is about 506.8475954326.

Adding to 130206352 its reverse (253602031), we get a palindrome (383808383).

The spelling of 130206352 in words is "one hundred thirty million, two hundred six thousand, three hundred fifty-two".