130206403 has 8 divisors (see below), whose sum is σ = 134853120. Its totient is φ = 125637960.

The previous prime is 130206389. The next prime is 130206409. The reversal of 130206403 is 304602031.

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

It is a cyclic number.

It is not a de Polignac number, because 130206403 - 2⁵ = 130206371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130206409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16173 + ... + 22846.

It is an arithmetic number, because the mean of its divisors is an integer number (16856640).

Almost surely, 2^130206403 is an apocalyptic number.

130206403 is a deficient number, since it is larger than the sum of its proper divisors (4646717).

130206403 is an equidigital number, since it uses as much as digits as its factorization.

130206403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39137.

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

The square root of 130206403 is about 11410.8020314087. The cubic root of 130206403 is about 506.8476616076.

Adding to 130206403 its reverse (304602031), we get a palindrome (434808434).

The spelling of 130206403 in words is "one hundred thirty million, two hundred six thousand, four hundred three".