130537705 has 4 divisors (see below), whose sum is σ = 156645252. Its totient is φ = 104430160.

The previous prime is 130537703. The next prime is 130537711. The reversal of 130537705 is 507735031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 85433049 = 6716^2 + 9243^2 .

It is not a de Polignac number, because 130537705 - 2¹ = 130537703 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130537703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13053766 + ... + 13053775.

It is an arithmetic number, because the mean of its divisors is an integer number (39161313).

Almost surely, 2^130537705 is an apocalyptic number.

It is an amenable number.

130537705 is a deficient number, since it is larger than the sum of its proper divisors (26107547).

130537705 is an equidigital number, since it uses as much as digits as its factorization.

130537705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26107546.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 130537705 is about 11425.3098426257. The cubic root of 130537705 is about 507.2771781822.

The spelling of 130537705 in words is "one hundred thirty million, five hundred thirty-seven thousand, seven hundred five".