130187503 has 4 divisors (see below), whose sum is σ = 130271328. Its totient is φ = 130103680.

The previous prime is 130187501. The next prime is 130187527. The reversal of 130187503 is 305781031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305781031 = 227 ⋅1347053.

It is a cyclic number.

It is not a de Polignac number, because 130187503 - 2¹ = 130187501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130187501) 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, 39538 + ... + 42703.

It is an arithmetic number, because the mean of its divisors is an integer number (32567832).

Almost surely, 2^130187503 is an apocalyptic number.

130187503 is a deficient number, since it is larger than the sum of its proper divisors (83825).

130187503 is an equidigital number, since it uses as much as digits as its factorization.

130187503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83824.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 130187503 is about 11409.9738387080. The cubic root of 130187503 is about 506.8231367401.

It can be divided in two parts, 1301 and 87503, that added together give a square (88804 = 298²).

The spelling of 130187503 in words is "one hundred thirty million, one hundred eighty-seven thousand, five hundred three".