130306402 has 8 divisors (see below), whose sum is σ = 197189676. Its totient is φ = 64576512.

The previous prime is 130306349. The next prime is 130306417. The reversal of 130306402 is 204603031.

It can be written as a sum of positive squares in 2 ways, for example, as 130210921 + 95481 = 11411^2 + 309^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 130306402.

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, 288063 + ... + 288514.

Almost surely, 2^130306402 is an apocalyptic number.

130306402 is a deficient number, since it is larger than the sum of its proper divisors (66883274).

130306402 is a wasteful number, since it uses less digits than its factorization.

130306402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576692.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130306402 is about 11415.1829595500. The cubic root of 130306402 is about 506.9773820321.

Adding to 130306402 its reverse (204603031), we get a palindrome (334909433).

The spelling of 130306402 in words is "one hundred thirty million, three hundred six thousand, four hundred two".