131087386 has 16 divisors (see below), whose sum is σ = 200044800. Its totient is φ = 64413648.

The previous prime is 131087339. The next prime is 131087389. The reversal of 131087386 is 683780131.

It is not an unprimeable number, because it can be changed into a prime (131087389) 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 7 ways as a sum of consecutive naturals, for example, 34371 + ... + 37993.

It is an arithmetic number, because the mean of its divisors is an integer number (12502800).

Almost surely, 2^131087386 is an apocalyptic number.

131087386 is a deficient number, since it is larger than the sum of its proper divisors (68957414).

131087386 is a wasteful number, since it uses less digits than its factorization.

131087386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 131087386 is about 11449.3399809771. The cubic root of 131087386 is about 507.9882119529.

The spelling of 131087386 in words is "one hundred thirty-one million, eighty-seven thousand, three hundred eighty-six".