130750657 has 2 divisors, whose sum is σ = 130750658. Its totient is φ = 130750656.

The previous prime is 130750651. The next prime is 130750693. The reversal of 130750657 is 756057031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105760656 + 24990001 = 10284^2 + 4999^2 .

It is a cyclic number.

It is not a de Polignac number, because 130750657 - 2³ = 130750649 is a prime.

It is not a weakly prime, because it can be changed into another prime (130750651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65375328 + 65375329.

It is an arithmetic number, because the mean of its divisors is an integer number (65375329).

Almost surely, 2^130750657 is an apocalyptic number.

It is an amenable number.

130750657 is a deficient number, since it is larger than the sum of its proper divisors (1).

130750657 is an equidigital number, since it uses as much as digits as its factorization.

130750657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 130750657 is about 11434.6253545973. The cubic root of 130750657 is about 507.5528763045.

The spelling of 130750657 in words is "one hundred thirty million, seven hundred fifty thousand, six hundred fifty-seven".