130506903 has 16 divisors (see below), whose sum is σ = 193766400. Its totient is φ = 86814360.

The previous prime is 130506889. The next prime is 130506907. The reversal of 130506903 is 309605031.

It is not a de Polignac number, because 130506903 - 2⁹ = 130506391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130506907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7888 + ... + 17978.

It is an arithmetic number, because the mean of its divisors is an integer number (12110400).

Almost surely, 2^130506903 is an apocalyptic number.

130506903 is a deficient number, since it is larger than the sum of its proper divisors (63259497).

130506903 is a wasteful number, since it uses less digits than its factorization.

130506903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579 (or 10573 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 130506903 is about 11423.9617909025. The cubic root of 130506903 is about 507.2372755840.

The spelling of 130506903 in words is "one hundred thirty million, five hundred six thousand, nine hundred three".