130019501 has 2 divisors, whose sum is σ = 130019502. Its totient is φ = 130019500.

The previous prime is 130019447. The next prime is 130019507. The reversal of 130019501 is 105910031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 20921476 = 10445^2 + 4574^2 .

It is an emirp because it is prime and its reverse (105910031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130019501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130019507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65009750 + 65009751.

It is an arithmetic number, because the mean of its divisors is an integer number (65009751).

Almost surely, 2^130019501 is an apocalyptic number.

It is an amenable number.

130019501 is a deficient number, since it is larger than the sum of its proper divisors (1).

130019501 is an equidigital number, since it uses as much as digits as its factorization.

130019501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 130019501 is about 11402.6093943448. The cubic root of 130019501 is about 506.6050309276.

Adding to 130019501 its reverse (105910031), we get a palindrome (235929532).

The spelling of 130019501 in words is "one hundred thirty million, nineteen thousand, five hundred one".