130171761 has 24 divisors (see below), whose sum is σ = 193775400. Its totient is φ = 84153600.

The previous prime is 130171753. The next prime is 130171781. The reversal of 130171761 is 167171031.

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 129618225 = 744^2 + 11385^2 .

It is not a de Polignac number, because 130171761 - 2³ = 130171753 is a prime.

It is a super-2 number, since 2×130171761² = 33889374723682242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130171711) 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 in 23 ways as a sum of consecutive naturals, for example, 65815 + ... + 67763.

It is an arithmetic number, because the mean of its divisors is an integer number (8073975).

Almost surely, 2^130171761 is an apocalyptic number.

It is an amenable number.

130171761 is a deficient number, since it is larger than the sum of its proper divisors (63603639).

130171761 is a wasteful number, since it uses less digits than its factorization.

130171761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 130171761 is about 11409.2839827923. The cubic root of 130171761 is about 506.8027079195.

The spelling of 130171761 in words is "one hundred thirty million, one hundred seventy-one thousand, seven hundred sixty-one".