131329065 has 48 divisors (see below), whose sum is σ = 245944512. Its totient is φ = 59665536.

The previous prime is 131329043. The next prime is 131329073. The reversal of 131329065 is 560923131.

It is not a de Polignac number, because 131329065 - 2⁶ = 131329001 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144342 + ... + 145248.

It is an arithmetic number, because the mean of its divisors is an integer number (5123844).

Almost surely, 2^131329065 is an apocalyptic number.

131329065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131329065 is a deficient number, since it is larger than the sum of its proper divisors (114615447).

131329065 is a wasteful number, since it uses less digits than its factorization.

131329065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 131329065 is about 11459.8893973720. The cubic root of 131329065 is about 508.3002041176.

The spelling of 131329065 in words is "one hundred thirty-one million, three hundred twenty-nine thousand, sixty-five".