131283396 has 24 divisors (see below), whose sum is σ = 340364640. Its totient is φ = 43761096.

The previous prime is 131283391. The next prime is 131283413. The reversal of 131283396 is 693382131.

131283396 is a `hidden beast` number, since 1 + 312 + 8 + 339 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131283396.

It is not an unprimeable number, because it can be changed into a prime (131283391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607686 + ... + 607901.

It is an arithmetic number, because the mean of its divisors is an integer number (14181860).

Almost surely, 2^131283396 is an apocalyptic number.

It is an amenable number.

131283396 is an abundant number, since it is smaller than the sum of its proper divisors (209081244).

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

131283396 is a wasteful number, since it uses less digits than its factorization.

131283396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215600 (or 1215592 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 131283396 is about 11457.8966656189. The cubic root of 131283396 is about 508.2412777017.

The spelling of 131283396 in words is "one hundred thirty-one million, two hundred eighty-three thousand, three hundred ninety-six".