130503155 has 8 divisors (see below), whose sum is σ = 156669792. Its totient is φ = 104358528.

The previous prime is 130503143. The next prime is 130503157. The reversal of 130503155 is 551305031.

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 130503155 - 2¹² = 130499059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130503155.

It is not an unprimeable number, because it can be changed into a prime (130503157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13547 + ... + 21083.

It is an arithmetic number, because the mean of its divisors is an integer number (19583724).

Almost surely, 2^130503155 is an apocalyptic number.

130503155 is a deficient number, since it is larger than the sum of its proper divisors (26166637).

130503155 is an equidigital number, since it uses as much as digits as its factorization.

130503155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 130503155 is about 11423.7977485598. The cubic root of 130503155 is about 507.2324197910.

Adding to 130503155 its reverse (551305031), we get a palindrome (681808186).

The spelling of 130503155 in words is "one hundred thirty million, five hundred three thousand, one hundred fifty-five".