130511975 has 24 divisors (see below), whose sum is σ = 186938928. Its totient is φ = 89331200.

The previous prime is 130511971. The next prime is 130512013. The reversal of 130511975 is 579115031.

It is a happy number.

It is not a de Polignac number, because 130511975 - 2² = 130511971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130511971) 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 23 ways as a sum of consecutive naturals, for example, 9284 + ... + 18633.

It is an arithmetic number, because the mean of its divisors is an integer number (7789122).

Almost surely, 2^130511975 is an apocalyptic number.

130511975 is a deficient number, since it is larger than the sum of its proper divisors (56426953).

130511975 is a wasteful number, since it uses less digits than its factorization.

130511975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27955 (or 27950 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 130511975 is about 11424.1837782837. The cubic root of 130511975 is about 507.2438465625.

The spelling of 130511975 in words is "one hundred thirty million, five hundred eleven thousand, nine hundred seventy-five".