130235647 has 2 divisors, whose sum is σ = 130235648. Its totient is φ = 130235646.

The previous prime is 130235621. The next prime is 130235653. The reversal of 130235647 is 746532031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130235647 is a prime.

It is a super-2 number, since 2×130235647² = 33922647499017218, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130235447) 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, 65117823 + 65117824.

It is an arithmetic number, because the mean of its divisors is an integer number (65117824).

Almost surely, 2^130235647 is an apocalyptic number.

130235647 is a deficient number, since it is larger than the sum of its proper divisors (1).

130235647 is an equidigital number, since it uses as much as digits as its factorization.

130235647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 130235647 is about 11412.0833768423. The cubic root of 130235647 is about 506.8856042974.

Adding to 130235647 its reverse (746532031), we get a palindrome (876767678).

The spelling of 130235647 in words is "one hundred thirty million, two hundred thirty-five thousand, six hundred forty-seven".