130302157 has 2 divisors, whose sum is σ = 130302158. Its totient is φ = 130302156.

The previous prime is 130302121. The next prime is 130302167. The reversal of 130302157 is 751203031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 60512841 = 8354^2 + 7779^2 .

It is an emirp because it is prime and its reverse (751203031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130302157 - 2²³ = 121913549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130302167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65151078 + 65151079.

It is an arithmetic number, because the mean of its divisors is an integer number (65151079).

Almost surely, 2^130302157 is an apocalyptic number.

It is an amenable number.

130302157 is a deficient number, since it is larger than the sum of its proper divisors (1).

130302157 is an equidigital number, since it uses as much as digits as its factorization.

130302157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 130302157 is about 11414.9970214626. The cubic root of 130302157 is about 506.9718766941.

Adding to 130302157 its reverse (751203031), we get a palindrome (881505188).

The spelling of 130302157 in words is "one hundred thirty million, three hundred two thousand, one hundred fifty-seven".