131105386 has 12 divisors (see below), whose sum is σ = 203209506. Its totient is φ = 63437160.

The previous prime is 131105369. The next prime is 131105423. The reversal of 131105386 is 683501131.

It can be written as a sum of positive squares in only one way, i.e., 118396161 + 12709225 = 10881^2 + 3565^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32185 + ... + 36028.

Almost surely, 2^131105386 is an apocalyptic number.

131105386 is a deficient number, since it is larger than the sum of its proper divisors (72104120).

131105386 is an equidigital number, since it uses as much as digits as its factorization.

131105386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68277 (or 68246 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 131105386 is about 11450.1260255073. The cubic root of 131105386 is about 508.0114620143.

It can be divided in two parts, 13110 and 5386, that added together give a square (18496 = 136²).

The spelling of 131105386 in words is "one hundred thirty-one million, one hundred five thousand, three hundred eighty-six".