131359836 has 24 divisors (see below), whose sum is σ = 306858384. Its totient is φ = 43736320.

The previous prime is 131359829. The next prime is 131359841. The reversal of 131359836 is 638953131.

It is a junction number, because it is equal to n+sod(n) for n = 131359794 and 131359803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476 + ... + 17108.

It is an arithmetic number, because the mean of its divisors is an integer number (12785766).

Almost surely, 2^131359836 is an apocalyptic number.

It is an amenable number.

131359836 is an abundant number, since it is smaller than the sum of its proper divisors (175498548).

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

131359836 is a wasteful number, since it uses less digits than its factorization.

131359836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12581 (or 12579 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 131359836 is about 11461.2318709640. The cubic root of 131359836 is about 508.3399000376.

The spelling of 131359836 in words is "one hundred thirty-one million, three hundred fifty-nine thousand, eight hundred thirty-six".