130903 has 4 divisors (see below), whose sum is σ = 132640. Its totient is φ = 129168.

The previous prime is 130873. The next prime is 130927. The reversal of 130903 is 309031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130903 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (33160).

2¹³⁰⁹⁰³ is an apocalyptic number.

130903 is a deficient number, since it is larger than the sum of its proper divisors (1737).

130903 is an equidigital number, since it uses as much as digits as its factorization.

130903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 130903 is about 361.8051962037. The cubic root of 130903 is about 50.7749923413.

Adding to 130903 its reverse (309031), we get a palindrome (439934).

The spelling of 130903 in words is "one hundred thirty thousand, nine hundred three".