131500105 has 8 divisors (see below), whose sum is σ = 172145664. Its totient is φ = 95636400.

The previous prime is 131500093. The next prime is 131500139. The reversal of 131500105 is 501005131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131500105 - 2⁹ = 131499593 is a prime.

It is a super-2 number, since 2×131500105² = 34584555230022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1195401 + ... + 1195510.

It is an arithmetic number, because the mean of its divisors is an integer number (21518208).

Almost surely, 2^131500105 is an apocalyptic number.

It is an amenable number.

131500105 is a deficient number, since it is larger than the sum of its proper divisors (40645559).

131500105 is a wasteful number, since it uses less digits than its factorization.

131500105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390927.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 131500105 is about 11467.3495193964. The cubic root of 131500105 is about 508.5207746147.

Adding to 131500105 its reverse (501005131), we get a palindrome (632505236).

The spelling of 131500105 in words is "one hundred thirty-one million, five hundred thousand, one hundred five".