131887335 has 16 divisors (see below), whose sum is σ = 211230720. Its totient is φ = 70269600.

The previous prime is 131887333. The next prime is 131887369. The reversal of 131887335 is 533788131.

It is not a de Polignac number, because 131887335 - 2¹ = 131887333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131887293 and 131887302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131887333) 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 15 ways as a sum of consecutive naturals, for example, 13446 + ... + 21084.

It is an arithmetic number, because the mean of its divisors is an integer number (13201920).

Almost surely, 2^131887335 is an apocalyptic number.

131887335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131887335 is a deficient number, since it is larger than the sum of its proper divisors (79343385).

131887335 is a wasteful number, since it uses less digits than its factorization.

131887335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798.

The product of its digits is 60480, while the sum is 39.

The square root of 131887335 is about 11484.2211316223. The cubic root of 131887335 is about 509.0194346211.

The spelling of 131887335 in words is "one hundred thirty-one million, eight hundred eighty-seven thousand, three hundred thirty-five".