131675385 has 8 divisors (see below), whose sum is σ = 210680640. Its totient is φ = 70226864.

The previous prime is 131675381. The next prime is 131675407. The reversal of 131675385 is 583576131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131675385 - 2² = 131675381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131675381) 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 7 ways as a sum of consecutive naturals, for example, 4389165 + ... + 4389194.

It is an arithmetic number, because the mean of its divisors is an integer number (26335080).

Almost surely, 2^131675385 is an apocalyptic number.

131675385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131675385 is a deficient number, since it is larger than the sum of its proper divisors (79005255).

131675385 is an equidigital number, since it uses as much as digits as its factorization.

131675385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778367.

The product of its digits is 75600, while the sum is 39.

The square root of 131675385 is about 11474.9895424789. The cubic root of 131675385 is about 508.7466146064.

The spelling of 131675385 in words is "one hundred thirty-one million, six hundred seventy-five thousand, three hundred eighty-five".