130503157 has 2 divisors, whose sum is σ = 130503158. Its totient is φ = 130503156.

The previous prime is 130503143. The next prime is 130503167. The reversal of 130503157 is 751305031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127373796 + 3129361 = 11286^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 130503157 - 2¹⁹ = 129978869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130503167) 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 as a sum of consecutive naturals, namely, 65251578 + 65251579.

It is an arithmetic number, because the mean of its divisors is an integer number (65251579).

Almost surely, 2^130503157 is an apocalyptic number.

It is an amenable number.

130503157 is a deficient number, since it is larger than the sum of its proper divisors (1).

130503157 is an equidigital number, since it uses as much as digits as its factorization.

130503157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 130503157 is about 11423.7978360964. The cubic root of 130503157 is about 507.2324223822.

Adding to 130503157 its reverse (751305031), we get a palindrome (881808188).

The spelling of 130503157 in words is "one hundred thirty million, five hundred three thousand, one hundred fifty-seven".