131853660 has 24 divisors (see below), whose sum is σ = 369190416. Its totient is φ = 35160960.

The previous prime is 131853647. The next prime is 131853679. The reversal of 131853660 is 66358131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098721 + ... + 1098840.

It is an arithmetic number, because the mean of its divisors is an integer number (15382934).

Almost surely, 2^131853660 is an apocalyptic number.

131853660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131853660 is an abundant number, since it is smaller than the sum of its proper divisors (237336756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131853660 is a wasteful number, since it uses less digits than its factorization.

131853660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197573 (or 2197571 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 131853660 is about 11482.7548959298. The cubic root of 131853660 is about 508.9761080233.

The spelling of 131853660 in words is "one hundred thirty-one million, eight hundred fifty-three thousand, six hundred sixty".