131598285 has 64 divisors (see below), whose sum is σ = 260897280. Its totient is φ = 55157760.

The previous prime is 131598283. The next prime is 131598301. The reversal of 131598285 is 582895131.

It is not a de Polignac number, because 131598285 - 2¹ = 131598283 is a prime.

It is a super-2 number, since 2×131598285² = 34636217229882450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131598283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312375 + ... + 312795.

It is an arithmetic number, because the mean of its divisors is an integer number (4076520).

Almost surely, 2^131598285 is an apocalyptic number.

131598285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131598285 is a deficient number, since it is larger than the sum of its proper divisors (129298995).

131598285 is a wasteful number, since it uses less digits than its factorization.

131598285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 86400, while the sum is 42.

The square root of 131598285 is about 11471.6295703793. The cubic root of 131598285 is about 508.6472996074.

The spelling of 131598285 in words is "one hundred thirty-one million, five hundred ninety-eight thousand, two hundred eighty-five".