130643537 has 2 divisors, whose sum is σ = 130643538. Its totient is φ = 130643536.

The previous prime is 130643497. The next prime is 130643551. The reversal of 130643537 is 735346031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128686336 + 1957201 = 11344^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 130643537 - 2¹⁰ = 130642513 is a prime.

It is not a weakly prime, because it can be changed into another prime (130643567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65321768 + 65321769.

It is an arithmetic number, because the mean of its divisors is an integer number (65321769).

Almost surely, 2^130643537 is an apocalyptic number.

It is an amenable number.

130643537 is a deficient number, since it is larger than the sum of its proper divisors (1).

130643537 is an equidigital number, since it uses as much as digits as its factorization.

130643537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 130643537 is about 11429.9403760475. The cubic root of 130643537 is about 507.4142309374.

Adding to 130643537 its reverse (735346031), we get a palindrome (865989568).

The spelling of 130643537 in words is "one hundred thirty million, six hundred forty-three thousand, five hundred thirty-seven".